2492739 has 24 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1584240.

The previous prime is 2492729. The next prime is 2492747. The reversal of 2492739 is 9372942.

It is not a de Polignac number, because 2492739 - 2⁹ = 2492227 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

2492739 is a modest number, since divided by 2739 gives 249 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29992 + ... + 30074.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^2492739 is an apocalyptic number.

2492739 is a deficient number, since it is larger than the sum of its proper divisors (1281213).

2492739 is a wasteful number, since it uses less digits than its factorization.

2492739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 204 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2492739 is about 1578.8410306297. The cubic root of 2492739 is about 135.5893575066.

The spelling of 2492739 in words is "two million, four hundred ninety-two thousand, seven hundred thirty-nine".