172480398 has 16 divisors (see below), whose sum is σ = 348837840. Its totient is φ = 56847296.

The previous prime is 172480393. The next prime is 172480403. The reversal of 172480398 is 893084271.

172480398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172480393) and next prime (172480403).

It is a super-3 number, since 3×172480398³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172480393) 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, 160965 + ... + 162032.

It is an arithmetic number, because the mean of its divisors is an integer number (21802365).

Almost surely, 2^172480398 is an apocalyptic number.

172480398 is an abundant number, since it is smaller than the sum of its proper divisors (176357442).

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

172480398 is a wasteful number, since it uses less digits than its factorization.

172480398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323091.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 172480398 is about 13133.1792799763. The cubic root of 172480398 is about 556.6470543407.

The spelling of 172480398 in words is "one hundred seventy-two million, four hundred eighty thousand, three hundred ninety-eight".