2656402 has 8 divisors (see below), whose sum is σ = 4553856. Its totient is φ = 1138452.

The previous prime is 2656399. The next prime is 2656417. The reversal of 2656402 is 2046562.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94858 + ... + 94885.

It is an arithmetic number, because the mean of its divisors is an integer number (569232).

2^2656402 is an apocalyptic number.

2656402 is a deficient number, since it is larger than the sum of its proper divisors (1897454).

2656402 is a wasteful number, since it uses less digits than its factorization.

2656402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189752.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2656402 is about 1629.8472321049. The cubic root of 2656402 is about 138.4940980251.

The spelling of 2656402 in words is "two million, six hundred fifty-six thousand, four hundred two".