2156496 has 20 divisors (see below), whose sum is σ = 5571072. Its totient is φ = 718816.

The previous prime is 2156491. The next prime is 2156507. The reversal of 2156496 is 6946512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22416 + ... + 22511.

2^2156496 is an apocalyptic number.

It is an amenable number.

2156496 is an abundant number, since it is smaller than the sum of its proper divisors (3414576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156496 is a wasteful number, since it uses less digits than its factorization.

2156496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44938 (or 44932 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2156496 is about 1468.5012768125. The cubic root of 2156496 is about 129.1961441337.

The spelling of 2156496 in words is "two million, one hundred fifty-six thousand, four hundred ninety-six".