172985948 has 24 divisors (see below), whose sum is σ = 322473312. Its totient is φ = 80912384.

The previous prime is 172985941. The next prime is 172985951. The reversal of 172985948 is 849589271.

It is a self number, because there is not a number n which added to its sum of digits gives 172985948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172985941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 18972.

It is an arithmetic number, because the mean of its divisors is an integer number (13436388).

Almost surely, 2^172985948 is an apocalyptic number.

It is an amenable number.

172985948 is a deficient number, since it is larger than the sum of its proper divisors (149487364).

172985948 is a wasteful number, since it uses less digits than its factorization.

172985948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421 (or 15419 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The square root of 172985948 is about 13152.4122502300. The cubic root of 172985948 is about 557.1903787273.

The spelling of 172985948 in words is "one hundred seventy-two million, nine hundred eighty-five thousand, nine hundred forty-eight".