170994090 has 32 divisors (see below), whose sum is σ = 411054336. Its totient is φ = 45524160.

The previous prime is 170994049. The next prime is 170994097. The reversal of 170994090 is 90499071.

170994090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (170994097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15519 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (12845448).

Almost surely, 2^170994090 is an apocalyptic number.

170994090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

170994090 is an abundant number, since it is smaller than the sum of its proper divisors (240060246).

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

170994090 is a wasteful number, since it uses less digits than its factorization.

170994090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9294.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 170994090 is about 13076.4708541716. The cubic root of 170994090 is about 555.0435157828.

The spelling of 170994090 in words is "one hundred seventy million, nine hundred ninety-four thousand, ninety".