2490081 has 16 divisors (see below), whose sum is σ = 3684288. Its totient is φ = 1483200.

The previous prime is 2490079. The next prime is 2490091. The reversal of 2490081 is 1800942.

It is not a de Polignac number, because 2490081 - 2¹ = 2490079 is a prime.

It is a super-2 number, since 2×2490081² = 12401006773122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2490091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (230268).

2^2490081 is an apocalyptic number.

It is an amenable number.

2490081 is a deficient number, since it is larger than the sum of its proper divisors (1194207).

2490081 is a wasteful number, since it uses less digits than its factorization.

2490081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2490081 is about 1577.9990494294. Note that the first 3 decimals coincide. The cubic root of 2490081 is about 135.5411475275.

The spelling of 2490081 in words is "two million, four hundred ninety thousand, eighty-one".