2151932 has 12 divisors (see below), whose sum is σ = 3781176. Its totient is φ = 1071600.

The previous prime is 2151923. The next prime is 2151943. The reversal of 2151932 is 2391512.

It is a super-2 number, since 2×2151932² = 9261622665248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2151898 and 2151907.

It is a congruent number.

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, 182 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (315098).

2^2151932 is an apocalyptic number.

It is an amenable number.

2151932 is a deficient number, since it is larger than the sum of its proper divisors (1629244).

2151932 is a wasteful number, since it uses less digits than its factorization.

2151932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2186 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 2151932 is about 1466.9464884583. The cubic root of 2151932 is about 129.1049363488.

The spelling of 2151932 in words is "two million, one hundred fifty-one thousand, nine hundred thirty-two".