296978628 has 12 divisors (see below), whose sum is σ = 692950160. Its totient is φ = 98992872.

The previous prime is 296978623. The next prime is 296978641. The reversal of 296978628 is 826879692.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (296978623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12374098 + ... + 12374121.

Almost surely, 2^296978628 is an apocalyptic number.

It is an amenable number.

296978628 is an abundant number, since it is smaller than the sum of its proper divisors (395971532).

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

296978628 is a wasteful number, since it uses less digits than its factorization.

296978628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748226 (or 24748224 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 296978628 is about 17233.0678638483. The cubic root of 296978628 is about 667.1780231160.

It can be divided in two parts, 296978 and 628, that added together give a triangular number (297606 = T₇₇₁).

The spelling of 296978628 in words is "two hundred ninety-six million, nine hundred seventy-eight thousand, six hundred twenty-eight".