2708431 has 8 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 2332440.

The previous prime is 2708429. The next prime is 2708443. The reversal of 2708431 is 1348072.

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

It is not a de Polignac number, because 2708431 - 2¹ = 2708429 is a prime.

It is a super-2 number, since 2×2708431² = 14671196963522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2708396 and 2708405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2708401) 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, 6271 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

2^2708431 is an apocalyptic number.

2708431 is a deficient number, since it is larger than the sum of its proper divisors (401969).

2708431 is a wasteful number, since it uses less digits than its factorization.

2708431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2708431 is about 1645.7311445069. The cubic root of 2708431 is about 139.3924523180.

The spelling of 2708431 in words is "two million, seven hundred eight thousand, four hundred thirty-one".