172347396 has 24 divisors (see below), whose sum is σ = 433078464. Its totient is φ = 53029920.

The previous prime is 172347391. The next prime is 172347401. The reversal of 172347396 is 693743271.

It is an interprime number because it is at equal distance from previous prime (172347391) and next prime (172347401).

It is not an unprimeable number, because it can be changed into a prime (172347391) 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, 552240 + ... + 552551.

It is an arithmetic number, because the mean of its divisors is an integer number (18044936).

Almost surely, 2^172347396 is an apocalyptic number.

It is an amenable number.

172347396 is an abundant number, since it is smaller than the sum of its proper divisors (260731068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172347396 is a wasteful number, since it uses less digits than its factorization.

172347396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104811 (or 1104809 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 172347396 is about 13128.1147161350. The cubic root of 172347396 is about 556.5039381559.

The spelling of 172347396 in words is "one hundred seventy-two million, three hundred forty-seven thousand, three hundred ninety-six".