2664831 has 8 divisors (see below), whose sum is σ = 3826480. Its totient is φ = 1639872.

The previous prime is 2664829. The next prime is 2664847. The reversal of 2664831 is 1384662.

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

It is not a de Polignac number, because 2664831 - 2¹ = 2664829 is a prime.

It is a super-2 number, since 2×2664831² = 14202648517122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34126 + ... + 34203.

It is an arithmetic number, because the mean of its divisors is an integer number (478310).

2^2664831 is an apocalyptic number.

2664831 is a deficient number, since it is larger than the sum of its proper divisors (1161649).

2664831 is a wasteful number, since it uses less digits than its factorization.

2664831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68345.

The product of its digits is 6912, while the sum is 30.

The square root of 2664831 is about 1632.4310092620. The cubic root of 2664831 is about 138.6404280616.

The spelling of 2664831 in words is "two million, six hundred sixty-four thousand, eight hundred thirty-one".