2664431 has 8 divisors (see below), whose sum is σ = 3321984. Its totient is φ = 2076120.

The previous prime is 2664401. The next prime is 2664439. The reversal of 2664431 is 1344662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664431 - 2⁶ = 2664367 is a prime.

It is a super-2 number, since 2×2664431² = 14198385107522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17225 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (415248).

2^2664431 is an apocalyptic number.

2664431 is a deficient number, since it is larger than the sum of its proper divisors (657553).

2664431 is a wasteful number, since it uses less digits than its factorization.

2664431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34621.

The product of its digits is 3456, while the sum is 26.

The square root of 2664431 is about 1632.3084880010. The cubic root of 2664431 is about 138.6334909180.

The spelling of 2664431 in words is "two million, six hundred sixty-four thousand, four hundred thirty-one".