331672146 has 16 divisors (see below), whose sum is σ = 714370944. Its totient is φ = 102052944.

The previous prime is 331672141. The next prime is 331672147. The reversal of 331672146 is 641276133.

It is a super-2 number, since 2×331672146² = 220012824864490632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331672141) 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, 2126026 + ... + 2126181.

It is an arithmetic number, because the mean of its divisors is an integer number (44648184).

Almost surely, 2^331672146 is an apocalyptic number.

331672146 is an abundant number, since it is smaller than the sum of its proper divisors (382698798).

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

331672146 is a wasteful number, since it uses less digits than its factorization.

331672146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252225.

The product of its digits is 18144, while the sum is 33.

The square root of 331672146 is about 18211.8682731893. The cubic root of 331672146 is about 692.2075527087.

The spelling of 331672146 in words is "three hundred thirty-one million, six hundred seventy-two thousand, one hundred forty-six".