912381628 has 12 divisors (see below), whose sum is σ = 1597275792. Its totient is φ = 456017120.

The previous prime is 912381607. The next prime is 912381647. The reversal of 912381628 is 826183219.

It is a super-2 number, since 2×912381628² = 1664880470223860768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31225 + ... + 52912.

It is an arithmetic number, because the mean of its divisors is an integer number (133106316).

Almost surely, 2^912381628 is an apocalyptic number.

It is an amenable number.

912381628 is a deficient number, since it is larger than the sum of its proper divisors (684894164).

912381628 is a wasteful number, since it uses less digits than its factorization.

912381628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86852 (or 86850 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 912381628 is about 30205.6555631557. The cubic root of 912381628 is about 969.8967644410.

The spelling of 912381628 in words is "nine hundred twelve million, three hundred eighty-one thousand, six hundred twenty-eight".