401882407 has 2 divisors, whose sum is σ = 401882408. Its totient is φ = 401882406.

The previous prime is 401882359. The next prime is 401882443. The reversal of 401882407 is 704288104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401882407 - 2⁷ = 401882279 is a prime.

It is a super-2 number, since 2×401882407² = 323018938112227298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401882497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200941203 + 200941204.

It is an arithmetic number, because the mean of its divisors is an integer number (200941204).

Almost surely, 2^401882407 is an apocalyptic number.

401882407 is a deficient number, since it is larger than the sum of its proper divisors (1).

401882407 is an equidigital number, since it uses as much as digits as its factorization.

401882407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 401882407 is about 20047.0049383942. The cubic root of 401882407 is about 737.9602991498.

The spelling of 401882407 in words is "four hundred one million, eight hundred eighty-two thousand, four hundred seven".