2330991 has 32 divisors (see below), whose sum is σ = 3864000. Its totient is φ = 1378944.

The previous prime is 2330959. The next prime is 2331041. The reversal of 2330991 is 1990332.

2330991 = 31³ + 32³ + ... + 56³.

It is not a de Polignac number, because 2330991 - 2⁵ = 2330959 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10065 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (120750).

2^2330991 is an apocalyptic number.

2330991 is a deficient number, since it is larger than the sum of its proper divisors (1533009).

2330991 is a wasteful number, since it uses less digits than its factorization.

2330991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 2330991 is about 1526.7583305815. The cubic root of 2330991 is about 132.5908431260.

It can be divided in two parts, 2330 and 991, that added together give a triangular number (3321 = T₈₁).

The spelling of 2330991 in words is "two million, three hundred thirty thousand, nine hundred ninety-one".