1087406028 has 36 divisors (see below), whose sum is σ = 2750260240. Its totient is φ = 362265696.

The previous prime is 1087406017. The next prime is 1087406057. The reversal of 1087406028 is 8206047801.

1087406028 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 40 + 602 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1087405983 and 1087406001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65601 + ... + 80487.

Almost surely, 2^1087406028 is an apocalyptic number.

1087406028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1087406028 is an abundant number, since it is smaller than the sum of its proper divisors (1662854212).

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

1087406028 is a wasteful number, since it uses less digits than its factorization.

1087406028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926 (or 16921 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1087406028 is about 32975.8400651143. The cubic root of 1087406028 is about 1028.3254368416.

The spelling of 1087406028 in words is "one billion, eighty-seven million, four hundred six thousand, twenty-eight".