331712406 has 24 divisors (see below), whose sum is σ = 735426120. Its totient is φ = 107999136.

The previous prime is 331712399. The next prime is 331712429. The reversal of 331712406 is 604217133.

331712406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331712406² = 220066240588617672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331712406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213511 + ... + 215058.

It is an arithmetic number, because the mean of its divisors is an integer number (30642755).

Almost surely, 2^331712406 is an apocalyptic number.

331712406 is an abundant number, since it is smaller than the sum of its proper divisors (403713714).

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

331712406 is a wasteful number, since it uses less digits than its factorization.

331712406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428620 (or 428617 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 331712406 is about 18212.9735628205. The cubic root of 331712406 is about 692.2355594305.

Adding to 331712406 its reverse (604217133), we get a palindrome (935929539).

The spelling of 331712406 in words is "three hundred thirty-one million, seven hundred twelve thousand, four hundred six".