694428196 has 144 divisors (see below), whose sum is σ = 1608768000. Its totient is φ = 261824640.

The previous prime is 694428187. The next prime is 694428221. The reversal of 694428196 is 691824496.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7802520 + ... + 7802608.

It is an arithmetic number, because the mean of its divisors is an integer number (11172000).

Almost surely, 2^694428196 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 694428196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384000).

694428196 is an abundant number, since it is smaller than the sum of its proper divisors (914339804).

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

694428196 is a wasteful number, since it uses less digits than its factorization.

694428196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 156 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 694428196 is about 26352.0055403759. The cubic root of 694428196 is about 885.5419009788.

The spelling of 694428196 in words is "six hundred ninety-four million, four hundred twenty-eight thousand, one hundred ninety-six".