2156602 has 8 divisors (see below), whose sum is σ = 3697056. Its totient is φ = 924252.

The previous prime is 2156599. The next prime is 2156617. The reversal of 2156602 is 2066512.

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, 77008 + ... + 77035.

It is an arithmetic number, because the mean of its divisors is an integer number (462132).

2^2156602 is an apocalyptic number.

2156602 is a deficient number, since it is larger than the sum of its proper divisors (1540454).

2156602 is a wasteful number, since it uses less digits than its factorization.

2156602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154052.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2156602 is about 1468.5373675872. The cubic root of 2156602 is about 129.1982609267.

The spelling of 2156602 in words is "two million, one hundred fifty-six thousand, six hundred two".