172297848 has 16 divisors (see below), whose sum is σ = 430744680. Its totient is φ = 57432608.

The previous prime is 172297837. The next prime is 172297883. The reversal of 172297848 is 848792271.

It is a super-2 number, since 2×172297848² = 59373096850862208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172297797 and 172297806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3589515 + ... + 3589562.

Almost surely, 2^172297848 is an apocalyptic number.

It is an amenable number.

172297848 is an abundant number, since it is smaller than the sum of its proper divisors (258446832).

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

172297848 is a wasteful number, since it uses less digits than its factorization.

172297848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179086 (or 7179082 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 172297848 is about 13126.2274854583. The cubic root of 172297848 is about 556.4506034367.

The spelling of 172297848 in words is "one hundred seventy-two million, two hundred ninety-seven thousand, eight hundred forty-eight".