400374101 has 2 divisors, whose sum is σ = 400374102. Its totient is φ = 400374100.

The previous prime is 400374067. The next prime is 400374119. The reversal of 400374101 is 101473004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366722500 + 33651601 = 19150^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 400374101 - 2¹⁴ = 400357717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400374131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200187050 + 200187051.

It is an arithmetic number, because the mean of its divisors is an integer number (200187051).

Almost surely, 2^400374101 is an apocalyptic number.

It is an amenable number.

400374101 is a deficient number, since it is larger than the sum of its proper divisors (1).

400374101 is an equidigital number, since it uses as much as digits as its factorization.

400374101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 400374101 is about 20009.3503392789. The cubic root of 400374101 is about 737.0359281340.

The spelling of 400374101 in words is "four hundred million, three hundred seventy-four thousand, one hundred one".