402968002 has 8 divisors (see below), whose sum is σ = 605346876. Its totient is φ = 201185712.

The previous prime is 402967993. The next prime is 402968009. The reversal of 402968002 is 200869204.

It can be written as a sum of positive squares in 2 ways, for example, as 386476281 + 16491721 = 19659^2 + 4061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (402968009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147453 + ... + 150160.

Almost surely, 2^402968002 is an apocalyptic number.

402968002 is a deficient number, since it is larger than the sum of its proper divisors (202378874).

402968002 is a wasteful number, since it uses less digits than its factorization.

402968002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298292.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 402968002 is about 20074.0629171077. The cubic root of 402968002 is about 738.6241796977.

The spelling of 402968002 in words is "four hundred two million, nine hundred sixty-eight thousand, two".