172026984 has 16 divisors (see below), whose sum is σ = 430067520. Its totient is φ = 57342320.

The previous prime is 172026977. The next prime is 172027001. The reversal of 172026984 is 489620271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3583872 + ... + 3583919.

It is an arithmetic number, because the mean of its divisors is an integer number (26879220).

Almost surely, 2^172026984 is an apocalyptic number.

It is an amenable number.

172026984 is an abundant number, since it is smaller than the sum of its proper divisors (258040536).

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

172026984 is a wasteful number, since it uses less digits than its factorization.

172026984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167800 (or 7167796 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 172026984 is about 13115.9057636139. The cubic root of 172026984 is about 556.1588577010.

The spelling of 172026984 in words is "one hundred seventy-two million, twenty-six thousand, nine hundred eighty-four".