694921038 has 48 divisors (see below), whose sum is σ = 1651186944. Its totient is φ = 194320560.

The previous prime is 694921027. The next prime is 694921043. The reversal of 694921038 is 830129496.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between even and odd.

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 23 ways as a sum of consecutive naturals, for example, 11328 + ... + 38963.

It is an arithmetic number, because the mean of its divisors is an integer number (34399728).

Almost surely, 2^694921038 is an apocalyptic number.

694921038 is an abundant number, since it is smaller than the sum of its proper divisors (956265906).

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

694921038 is a wasteful number, since it uses less digits than its factorization.

694921038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50357 (or 50350 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 694921038 is about 26361.3550106970. The cubic root of 694921038 is about 885.7513438164.

The spelling of 694921038 in words is "six hundred ninety-four million, nine hundred twenty-one thousand, thirty-eight".