1162439028 has 18 divisors (see below), whose sum is σ = 2938387634. Its totient is φ = 387479664.

The previous prime is 1162439017. The next prime is 1162439029. The reversal of 1162439028 is 8209342611.

1162439028 is a `hidden beast` number, since 1 + 1 + 624 + 3 + 9 + 0 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1104099984 + 58339044 = 33228^2 + 7638^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 32289973 = 1162439028 / (1 + 1 + 6 + 2 + 4 + 3 + 9 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1162438983 and 1162439001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162439029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16144951 + ... + 16145022.

Almost surely, 2^1162439028 is an apocalyptic number.

1162439028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1162439028 is an abundant number, since it is smaller than the sum of its proper divisors (1775948606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162439028 is a wasteful number, since it uses less digits than its factorization.

1162439028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32289983 (or 32289978 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1162439028 is about 34094.5600939505. The cubic root of 1162439028 is about 1051.4534755155.

The spelling of 1162439028 in words is "one billion, one hundred sixty-two million, four hundred thirty-nine thousand, twenty-eight".