2155932 has 18 divisors (see below), whose sum is σ = 5449808. Its totient is φ = 718632.

The previous prime is 2155931. The next prime is 2155961. The reversal of 2155932 is 2395512.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 2155896 and 2155905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29908 + ... + 29979.

2^2155932 is an apocalyptic number.

It is an amenable number.

2155932 is an abundant number, since it is smaller than the sum of its proper divisors (3293876).

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

2155932 is a wasteful number, since it uses less digits than its factorization.

2155932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59897 (or 59892 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2155932 is about 1468.3092317356. The cubic root of 2155932 is about 129.1848800308.

The spelling of 2155932 in words is "two million, one hundred fifty-five thousand, nine hundred thirty-two".