402015298 has 8 divisors (see below), whose sum is σ = 629241408. Its totient is φ = 192268164.

The previous prime is 402015287. The next prime is 402015331. The reversal of 402015298 is 892510204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4369686 + ... + 4369777.

It is an arithmetic number, because the mean of its divisors is an integer number (78655176).

Almost surely, 2^402015298 is an apocalyptic number.

402015298 is a deficient number, since it is larger than the sum of its proper divisors (227226110).

402015298 is a wasteful number, since it uses less digits than its factorization.

402015298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739488.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 402015298 is about 20050.3191495796. The cubic root of 402015298 is about 738.0416309631.

The spelling of 402015298 in words is "four hundred two million, fifteen thousand, two hundred ninety-eight".