2662431 has 8 divisors (see below), whose sum is σ = 3632640. Its totient is φ = 1733592.

The previous prime is 2662399. The next prime is 2662453. The reversal of 2662431 is 1342662.

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

It is not a de Polignac number, because 2662431 - 2⁵ = 2662399 is a prime.

It is a super-2 number, since 2×2662431² = 14177077659522, which contains 22 as substring.

2662431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663431) 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, 10191 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (454080).

2^2662431 is an apocalyptic number.

2662431 is a deficient number, since it is larger than the sum of its proper divisors (970209).

2662431 is a wasteful number, since it uses less digits than its factorization.

2662431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685.

The product of its digits is 1728, while the sum is 24.

The square root of 2662431 is about 1631.6957436973. The cubic root of 2662431 is about 138.5987947814.

It can be divided in two parts, 266 and 2431, that multiplied together give a palindrome (646646).

The spelling of 2662431 in words is "two million, six hundred sixty-two thousand, four hundred thirty-one".