1047611628 has 36 divisors (see below), whose sum is σ = 3026434320. Its totient is φ = 299317536.

The previous prime is 1047611627. The next prime is 1047611633. The reversal of 1047611628 is 8261167401.

It is a happy number.

1047611628 is a `hidden beast` number, since 10 + 4 + 7 + 6 + 11 + 628 = 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 = 1047611592 and 1047611601.

It is not an unprimeable number, because it can be changed into a prime (1047611627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2078343 + ... + 2078846.

It is an arithmetic number, because the mean of its divisors is an integer number (84067620).

Almost surely, 2^1047611628 is an apocalyptic number.

1047611628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1047611628 is an abundant number, since it is smaller than the sum of its proper divisors (1978822692).

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

1047611628 is a wasteful number, since it uses less digits than its factorization.

1047611628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157206 (or 4157201 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1047611628 is about 32366.8291310718. The cubic root of 1047611628 is about 1015.6251264921.

The spelling of 1047611628 in words is "one billion, forty-seven million, six hundred eleven thousand, six hundred twenty-eight".