401832971 has 2 divisors, whose sum is σ = 401832972. Its totient is φ = 401832970.

The previous prime is 401832967. The next prime is 401832989. The reversal of 401832971 is 179238104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401832971 - 2² = 401832967 is a prime.

It is a super-2 number, since 2×401832971² = 322939473165373682, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (401832911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200916485 + 200916486.

It is an arithmetic number, because the mean of its divisors is an integer number (200916486).

Almost surely, 2^401832971 is an apocalyptic number.

401832971 is a deficient number, since it is larger than the sum of its proper divisors (1).

401832971 is an equidigital number, since it uses as much as digits as its factorization.

401832971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 401832971 is about 20045.7718983331. The cubic root of 401832971 is about 737.9300388044.

The spelling of 401832971 in words is "four hundred one million, eight hundred thirty-two thousand, nine hundred seventy-one".