694704438 has 48 divisors (see below), whose sum is σ = 1566766656. Its totient is φ = 230704200.

The previous prime is 694704403. The next prime is 694704449. The reversal of 694704438 is 834407496.

It is a super-2 number, since 2×694704438² = 965228512353791688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 694704393 and 694704402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135013 + ... + 140063.

It is an arithmetic number, because the mean of its divisors is an integer number (32640972).

Almost surely, 2^694704438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694704438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783383328).

694704438 is an abundant number, since it is smaller than the sum of its proper divisors (872062218).

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

694704438 is a wasteful number, since it uses less digits than its factorization.

694704438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 694704438 is about 26357.2464039778. The cubic root of 694704438 is about 885.6593076152.

The spelling of 694704438 in words is "six hundred ninety-four million, seven hundred four thousand, four hundred thirty-eight".