694630452 has 96 divisors (see below), whose sum is σ = 1750339584. Its totient is φ = 213840000.

The previous prime is 694630441. The next prime is 694630457. The reversal of 694630452 is 254036496.

It is a super-2 number, since 2×694630452² = 965022929691448608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 694630452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694630457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2563077 + ... + 2563347.

It is an arithmetic number, because the mean of its divisors is an integer number (18232704).

Almost surely, 2^694630452 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 694630452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875169792).

694630452 is an abundant number, since it is smaller than the sum of its proper divisors (1055709132).

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

694630452 is a wasteful number, since it uses less digits than its factorization.

694630452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 694630452 is about 26355.8428436656. The cubic root of 694630452 is about 885.6278656032.

The spelling of 694630452 in words is "six hundred ninety-four million, six hundred thirty thousand, four hundred fifty-two".