708423408 has 400 divisors, whose sum is σ = 2650306560. Its totient is φ = 177292800.

The previous prime is 708423307. The next prime is 708423413. The reversal of 708423408 is 804324807.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3093438 + ... + 3093666.

Almost surely, 2^708423408 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 708423408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325153280).

708423408 is an abundant number, since it is smaller than the sum of its proper divisors (1941883152).

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

708423408 is a wasteful number, since it uses less digits than its factorization.

708423408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 708423408 is about 26616.2245256535. The cubic root of 708423408 is about 891.4513239121.

The spelling of 708423408 in words is "seven hundred eight million, four hundred twenty-three thousand, four hundred eight".