670855896 has 24 divisors (see below), whose sum is σ = 1816901580. Its totient is φ = 223618608.

The previous prime is 670855891. The next prime is 670855907. The reversal of 670855896 is 698558076.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670855891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4658650 + ... + 4658793.

Almost surely, 2^670855896 is an apocalyptic number.

It is an amenable number.

670855896 is an abundant number, since it is smaller than the sum of its proper divisors (1146045684).

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

670855896 is a wasteful number, since it uses less digits than its factorization.

670855896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317455 (or 9317448 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The square root of 670855896 is about 25900.8860080114. The cubic root of 670855896 is about 875.4064597585.

The spelling of 670855896 in words is "six hundred seventy million, eight hundred fifty-five thousand, eight hundred ninety-six".