400957027 has 2 divisors, whose sum is σ = 400957028. Its totient is φ = 400957026.

The previous prime is 400957003. The next prime is 400957111. The reversal of 400957027 is 720759004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400957027 - 2¹⁵ = 400924259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400956983 and 400957001.

It is not a weakly prime, because it can be changed into another prime (400951027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200478513 + 200478514.

It is an arithmetic number, because the mean of its divisors is an integer number (200478514).

Almost surely, 2^400957027 is an apocalyptic number.

400957027 is a deficient number, since it is larger than the sum of its proper divisors (1).

400957027 is an equidigital number, since it uses as much as digits as its factorization.

400957027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 400957027 is about 20023.9113811463. The cubic root of 400957027 is about 737.3934513123.

The spelling of 400957027 in words is "four hundred million, nine hundred fifty-seven thousand, twenty-seven".