408024401 has 2 divisors, whose sum is σ = 408024402. Its totient is φ = 408024400.

The previous prime is 408024391. The next prime is 408024413. The reversal of 408024401 is 104420804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329241025 + 78783376 = 18145^2 + 8876^2 .

It is a cyclic number.

It is not a de Polignac number, because 408024401 - 2¹⁰ = 408023377 is a prime.

It is a super-2 number, since 2×408024401² = 332967823622817602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (408024481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204012200 + 204012201.

It is an arithmetic number, because the mean of its divisors is an integer number (204012201).

Almost surely, 2^408024401 is an apocalyptic number.

It is an amenable number.

408024401 is a deficient number, since it is larger than the sum of its proper divisors (1).

408024401 is an equidigital number, since it uses as much as digits as its factorization.

408024401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 408024401 is about 20199.6138824483. The cubic root of 408024401 is about 741.7007394073.

The spelling of 408024401 in words is "four hundred eight million, twenty-four thousand, four hundred one".