402498601 has 4 divisors (see below), whose sum is σ = 407593600. Its totient is φ = 397403604.

The previous prime is 402498587. The next prime is 402498611. The reversal of 402498601 is 106894204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402498601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402498611) 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 in 3 ways as a sum of consecutive naturals, for example, 2547381 + ... + 2547538.

It is an arithmetic number, because the mean of its divisors is an integer number (101898400).

Almost surely, 2^402498601 is an apocalyptic number.

It is an amenable number.

402498601 is a deficient number, since it is larger than the sum of its proper divisors (5094999).

402498601 is an equidigital number, since it uses as much as digits as its factorization.

402498601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094998.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 402498601 is about 20062.3677814958. The cubic root of 402498601 is about 738.3372705327.

The spelling of 402498601 in words is "four hundred two million, four hundred ninety-eight thousand, six hundred one".