6402902 has 8 divisors (see below), whose sum is σ = 10477512. Its totient is φ = 2910400.

The previous prime is 6402899. The next prime is 6402911. The reversal of 6402902 is 2092046.

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

It is a congruent number.

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, 145499 + ... + 145542.

It is an arithmetic number, because the mean of its divisors is an integer number (1309689).

Almost surely, 2^6402902 is an apocalyptic number.

6402902 is a deficient number, since it is larger than the sum of its proper divisors (4074610).

6402902 is a wasteful number, since it uses less digits than its factorization.

6402902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291054.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6402902 is about 2530.3956212419. The cubic root of 6402902 is about 185.6916113766.

Adding to 6402902 its reverse (2092046), we get a palindrome (8494948).

The spelling of 6402902 in words is "six million, four hundred two thousand, nine hundred two".