172855348 has 12 divisors (see below), whose sum is σ = 302696352. Its totient is φ = 86370680.

The previous prime is 172855343. The next prime is 172855351. The reversal of 172855348 is 843558271.

It is a super-2 number, since 2×172855348² = 59757942664402208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172855343) by changing a digit.

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, 7018 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (25224696).

Almost surely, 2^172855348 is an apocalyptic number.

It is an amenable number.

172855348 is a deficient number, since it is larger than the sum of its proper divisors (129841004).

172855348 is a wasteful number, since it uses less digits than its factorization.

172855348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28502 (or 28500 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 172855348 is about 13147.4464440818. The cubic root of 172855348 is about 557.0501218935.

The spelling of 172855348 in words is "one hundred seventy-two million, eight hundred fifty-five thousand, three hundred forty-eight".