172934889 has 8 divisors (see below), whose sum is σ = 230741472. Its totient is φ = 115209120.

The previous prime is 172934873. The next prime is 172934893. The reversal of 172934889 is 988439271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172934889 - 2⁴ = 172934873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172934809) 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, 15019 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (28842684).

Almost surely, 2^172934889 is an apocalyptic number.

It is an amenable number.

172934889 is a deficient number, since it is larger than the sum of its proper divisors (57806583).

172934889 is a wasteful number, since it uses less digits than its factorization.

172934889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40407.

The product of its digits is 870912, while the sum is 51.

The square root of 172934889 is about 13150.4710562018. The cubic root of 172934889 is about 557.1355527266.

The spelling of 172934889 in words is "one hundred seventy-two million, nine hundred thirty-four thousand, eight hundred eighty-nine".