2832921 has 32 divisors (see below), whose sum is σ = 5169920. Its totient is φ = 1492992.

The previous prime is 2832917. The next prime is 2832941. The reversal of 2832921 is 1292382.

It is a happy number.

2832921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2832921 - 2² = 2832917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2832941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1881 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (161560).

2^2832921 is an apocalyptic number.

2832921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2832921 is a deficient number, since it is larger than the sum of its proper divisors (2336999).

2832921 is a wasteful number, since it uses less digits than its factorization.

2832921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1176 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2832921 is about 1683.1283373528. The cubic root of 2832921 is about 141.4962145266.

The spelling of 2832921 in words is "two million, eight hundred thirty-two thousand, nine hundred twenty-one".