628111832 has 16 divisors (see below), whose sum is σ = 1215700800. Its totient is φ = 303924960.

The previous prime is 628111789. The next prime is 628111843. The reversal of 628111832 is 238111826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266107 + ... + 1266602.

It is an arithmetic number, because the mean of its divisors is an integer number (75981300).

Almost surely, 2^628111832 is an apocalyptic number.

628111832 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

628111832 is a deficient number, since it is larger than the sum of its proper divisors (587588968).

628111832 is a wasteful number, since it uses less digits than its factorization.

628111832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532746 (or 2532742 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 628111832 is about 25062.1593642687. The cubic root of 628111832 is about 856.4046002692.

The spelling of 628111832 in words is "six hundred twenty-eight million, one hundred eleven thousand, eight hundred thirty-two".