331672443 has 16 divisors (see below), whose sum is σ = 462502656. Its totient is φ = 211022240.

The previous prime is 331672423. The next prime is 331672447. The reversal of 331672443 is 344276133.

It is not a de Polignac number, because 331672443 - 2¹⁰ = 331671419 is a prime.

It is a super-2 number, since 2×331672443² = 220013218891176498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (331672447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26596 + ... + 37022.

It is an arithmetic number, because the mean of its divisors is an integer number (28906416).

Almost surely, 2^331672443 is an apocalyptic number.

331672443 is a deficient number, since it is larger than the sum of its proper divisors (130830213).

331672443 is a wasteful number, since it uses less digits than its factorization.

331672443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914.

The product of its digits is 36288, while the sum is 33.

The square root of 331672443 is about 18211.8764272109. The cubic root of 331672443 is about 692.2077593239.

The spelling of 331672443 in words is "three hundred thirty-one million, six hundred seventy-two thousand, four hundred forty-three".