172381484 has 12 divisors (see below), whose sum is σ = 329092008. Its totient is φ = 78355200.

The previous prime is 172381457. The next prime is 172381541. The reversal of 172381484 is 484183271.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958837 + ... + 1958924.

It is an arithmetic number, because the mean of its divisors is an integer number (27424334).

Almost surely, 2^172381484 is an apocalyptic number.

It is an amenable number.

172381484 is a deficient number, since it is larger than the sum of its proper divisors (156710524).

172381484 is a wasteful number, since it uses less digits than its factorization.

172381484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917776 (or 3917774 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 172381484 is about 13129.4129343242. The cubic root of 172381484 is about 556.5406254053.

The spelling of 172381484 in words is "one hundred seventy-two million, three hundred eighty-one thousand, four hundred eighty-four".