626349696 has 128 divisors (see below), whose sum is σ = 1945996800. Its totient is φ = 174763008.

The previous prime is 626349677. The next prime is 626349697. The reversal of 626349696 is 696943626.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (626349697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112875 + ... + 118293.

It is an arithmetic number, because the mean of its divisors is an integer number (15203100).

Almost surely, 2^626349696 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 626349696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972998400).

626349696 is an abundant number, since it is smaller than the sum of its proper divisors (1319647104).

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

626349696 is a wasteful number, since it uses less digits than its factorization.

626349696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486 (or 5474 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The square root of 626349696 is about 25026.9793622802. The cubic root of 626349696 is about 855.6029835617.

The spelling of 626349696 in words is "six hundred twenty-six million, three hundred forty-nine thousand, six hundred ninety-six".