402361339 has 2 divisors, whose sum is σ = 402361340. Its totient is φ = 402361338.

The previous prime is 402361301. The next prime is 402361357. The reversal of 402361339 is 933163204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402361339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402361339.

It is not a weakly prime, because it can be changed into another prime (402361139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201180669 + 201180670.

It is an arithmetic number, because the mean of its divisors is an integer number (201180670).

Almost surely, 2^402361339 is an apocalyptic number.

402361339 is a deficient number, since it is larger than the sum of its proper divisors (1).

402361339 is an equidigital number, since it uses as much as digits as its factorization.

402361339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 402361339 is about 20058.9466074368. The cubic root of 402361339 is about 738.2533305531.

The spelling of 402361339 in words is "four hundred two million, three hundred sixty-one thousand, three hundred thirty-nine".