2494639 has 10 divisors (see below), whose sum is σ = 2913040. Its totient is φ = 2136204.

The previous prime is 2494637. The next prime is 2494669. The reversal of 2494639 is 9364942.

It is not a de Polignac number, because 2494639 - 2¹ = 2494637 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁵ + 9³ + 4⁹ + 6⁸ + 3⁹ + 9⁶ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2494598 and 2494607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494637) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1882 + ... + 2920.

It is an arithmetic number, because the mean of its divisors is an integer number (291304).

2^2494639 is an apocalyptic number.

2494639 is a deficient number, since it is larger than the sum of its proper divisors (418401).

2494639 is an frugal number, since it uses more digits than its factorization.

2494639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1046 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 2494639 is about 1579.4426232060. The cubic root of 2494639 is about 135.6237981163.

The spelling of 2494639 in words is "two million, four hundred ninety-four thousand, six hundred thirty-nine".