2724631 has 16 divisors (see below), whose sum is σ = 3404800. Its totient is φ = 2122848.

The previous prime is 2724629. The next prime is 2724653. The reversal of 2724631 is 1364272.

2724631 = 20² + 21² + ... + 201².

2724631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2724631 - 2¹ = 2724629 is a prime.

It is a super-2 number, since 2×2724631² = 14847228172322, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2724596 and 2724605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7000 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (212800).

2^2724631 is an apocalyptic number.

2724631 is a deficient number, since it is larger than the sum of its proper divisors (680169).

2724631 is a wasteful number, since it uses less digits than its factorization.

2724631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 2016, while the sum is 25.

The square root of 2724631 is about 1650.6456312607. The cubic root of 2724631 is about 139.6698171308.

The spelling of 2724631 in words is "two million, seven hundred twenty-four thousand, six hundred thirty-one".