170084428 has 18 divisors (see below), whose sum is σ = 314140596. Its totient is φ = 80565624.

The previous prime is 170084423. The next prime is 170084443. The reversal of 170084428 is 824480071.

It is a junction number, because it is equal to n+sod(n) for n = 170084393 and 170084402.

It is not an unprimeable number, because it can be changed into a prime (170084423) 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, 57450 + ... + 60337.

Almost surely, 2^170084428 is an apocalyptic number.

It is an amenable number.

170084428 is a deficient number, since it is larger than the sum of its proper divisors (144056168).

170084428 is a wasteful number, since it uses less digits than its factorization.

170084428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117829 (or 117808 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 170084428 is about 13041.6420745242. The cubic root of 170084428 is about 554.0575168250.

The spelling of 170084428 in words is "one hundred seventy million, eighty-four thousand, four hundred twenty-eight".