170428008 has 32 divisors (see below), whose sum is σ = 427743360. Its totient is φ = 56586240.

The previous prime is 170428007. The next prime is 170428033. The reversal of 170428008 is 800824071.

It is not an unprimeable number, because it can be changed into a prime (170428001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7648 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (13366980).

Almost surely, 2^170428008 is an apocalyptic number.

It is an amenable number.

170428008 is an abundant number, since it is smaller than the sum of its proper divisors (257315352).

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

170428008 is a wasteful number, since it uses less digits than its factorization.

170428008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27897 (or 27893 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 170428008 is about 13054.8078499839. The cubic root of 170428008 is about 554.4303415572.

The spelling of 170428008 in words is "one hundred seventy million, four hundred twenty-eight thousand, eight".