46209931 has 2 divisors, whose sum is σ = 46209932. Its totient is φ = 46209930.

The previous prime is 46209923. The next prime is 46209937. The reversal of 46209931 is 13990264.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46209931 - 2³ = 46209923 is a prime.

It is a super-2 number, since 2×46209931² = 4270715446049522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46209937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23104965 + 23104966.

It is an arithmetic number, because the mean of its divisors is an integer number (23104966).

Almost surely, 2^46209931 is an apocalyptic number.

46209931 is a deficient number, since it is larger than the sum of its proper divisors (1).

46209931 is an equidigital number, since it uses as much as digits as its factorization.

46209931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 46209931 is about 6797.7886845650. The cubic root of 46209931 is about 358.8490272826.

The spelling of 46209931 in words is "forty-six million, two hundred nine thousand, nine hundred thirty-one".