402401707 has 2 divisors, whose sum is σ = 402401708. Its totient is φ = 402401706.

The previous prime is 402401693. The next prime is 402401711. The reversal of 402401707 is 707104204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402401707 - 2¹¹ = 402399659 is a prime.

It is not a weakly prime, because it can be changed into another prime (402401717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201200853 + 201200854.

It is an arithmetic number, because the mean of its divisors is an integer number (201200854).

Almost surely, 2^402401707 is an apocalyptic number.

402401707 is a deficient number, since it is larger than the sum of its proper divisors (1).

402401707 is an equidigital number, since it uses as much as digits as its factorization.

402401707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 402401707 is about 20059.9528164949. The cubic root of 402401707 is about 738.2780188212.

The spelling of 402401707 in words is "four hundred two million, four hundred one thousand, seven hundred seven".