6402355 has 8 divisors (see below), whose sum is σ = 7870464. Its totient is φ = 4996800.

The previous prime is 6402329. The next prime is 6402379. The reversal of 6402355 is 5532046.

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

It is not a de Polignac number, because 6402355 - 2⁵ = 6402323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15411 + ... + 15820.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^6402355 is an apocalyptic number.

6402355 is a deficient number, since it is larger than the sum of its proper divisors (1468109).

6402355 is a wasteful number, since it uses less digits than its factorization.

6402355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31277.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6402355 is about 2530.2875330681. The cubic root of 6402355 is about 185.6863233471.

The spelling of 6402355 in words is "six million, four hundred two thousand, three hundred fifty-five".