694038400 has 96 divisors (see below), whose sum is σ = 1870449480. Its totient is φ = 252364800.

The previous prime is 694038383. The next prime is 694038407. The reversal of 694038400 is 4830496.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694038407) 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, 25342 + ... + 45058.

Almost surely, 2^694038400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694038400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935224740).

694038400 is an abundant number, since it is smaller than the sum of its proper divisors (1176411080).

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

694038400 is a wasteful number, since it uses less digits than its factorization.

694038400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19752 (or 19735 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 694038400 is about 26344.6085565909. The cubic root of 694038400 is about 885.3761793590.

Adding to 694038400 its reverse (4830496), we get a palindrome (698868896).

The spelling of 694038400 in words is "six hundred ninety-four million, thirty-eight thousand, four hundred".