172104844 has 6 divisors (see below), whose sum is σ = 301183484. Its totient is φ = 86052420.

The previous prime is 172104841. The next prime is 172104847. The reversal of 172104844 is 448401271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172104841) and next prime (172104847).

It is not an unprimeable number, because it can be changed into a prime (172104841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21513102 + ... + 21513109.

Almost surely, 2^172104844 is an apocalyptic number.

It is an amenable number.

172104844 is a deficient number, since it is larger than the sum of its proper divisors (129078640).

172104844 is a wasteful number, since it uses less digits than its factorization.

172104844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43026215 (or 43026213 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 172104844 is about 13118.8735796943. The cubic root of 172104844 is about 556.2427515110.

The spelling of 172104844 in words is "one hundred seventy-two million, one hundred four thousand, eight hundred forty-four".