2540092 has 12 divisors (see below), whose sum is σ = 4465440. Its totient is φ = 1264256.

The previous prime is 2540071. The next prime is 2540093. The reversal of 2540092 is 2900452.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (372120).

2^2540092 is an apocalyptic number.

It is an amenable number.

2540092 is a deficient number, since it is larger than the sum of its proper divisors (1925348).

2540092 is a wasteful number, since it uses less digits than its factorization.

2540092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2540092 is about 1593.7666077566. The cubic root of 2540092 is about 136.4425462743.

The spelling of 2540092 in words is "two million, five hundred forty thousand, ninety-two".