296679640 has 16 divisors (see below), whose sum is σ = 667529280. Its totient is φ = 118671840.

The previous prime is 296679601. The next prime is 296679659. The reversal of 296679640 is 46976692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708456 + ... + 3708535.

It is an arithmetic number, because the mean of its divisors is an integer number (41720580).

Almost surely, 2^296679640 is an apocalyptic number.

296679640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

296679640 is an abundant number, since it is smaller than the sum of its proper divisors (370849640).

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

296679640 is a wasteful number, since it uses less digits than its factorization.

296679640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417002 (or 7416998 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 296679640 is about 17224.3908455423. The cubic root of 296679640 is about 666.9540505424.

The spelling of 296679640 in words is "two hundred ninety-six million, six hundred seventy-nine thousand, six hundred forty".