2156032 has 20 divisors (see below), whose sum is σ = 4308876. Its totient is φ = 1077760.

The previous prime is 2156023. The next prime is 2156039. The reversal of 2156032 is 2306512.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594 + ... + 2617.

2^2156032 is an apocalyptic number.

It is an amenable number.

2156032 is a deficient number, since it is larger than the sum of its proper divisors (2152844).

2156032 is an frugal number, since it uses more digits than its factorization.

2156032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2156032 is about 1468.3432841131. The cubic root of 2156032 is about 129.1868773555.

The spelling of 2156032 in words is "two million, one hundred fifty-six thousand, thirty-two".