708428331 has 24 divisors (see below), whose sum is σ = 1106028560. Its totient is φ = 434362176.

The previous prime is 708428297. The next prime is 708428419. The reversal of 708428331 is 133824807.

It is a de Polignac number, because none of the positive numbers 2^k-708428331 is a prime.

It is a super-2 number, since 2×708428331² = 1003741400326891122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (708428531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21480 + ... + 43338.

Almost surely, 2^708428331 is an apocalyptic number.

708428331 is a deficient number, since it is larger than the sum of its proper divisors (397600229).

708428331 is a wasteful number, since it uses less digits than its factorization.

708428331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155 (or 22152 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 708428331 is about 26616.3170066784. The cubic root of 708428331 is about 891.4533888752.

The spelling of 708428331 in words is "seven hundred eight million, four hundred twenty-eight thousand, three hundred thirty-one".