406924331 has 6 divisors (see below), whose sum is σ = 447280596. Its totient is φ = 369931100.

The previous prime is 406924327. The next prime is 406924337. The reversal of 406924331 is 133429604.

It is not a de Polignac number, because 406924331 - 2² = 406924327 is a prime.

It is a super-2 number, since 2×406924331² = 331174822319595122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406924337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1681385 + ... + 1681626.

It is an arithmetic number, because the mean of its divisors is an integer number (74546766).

Almost surely, 2^406924331 is an apocalyptic number.

406924331 is a deficient number, since it is larger than the sum of its proper divisors (40356265).

406924331 is a wasteful number, since it uses less digits than its factorization.

406924331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363033 (or 3363022 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 406924331 is about 20172.3655281179. The cubic root of 406924331 is about 741.0335757954.

The spelling of 406924331 in words is "four hundred six million, nine hundred twenty-four thousand, three hundred thirty-one".