2490 has 16 divisors (see below), whose sum is σ = 6048. Its totient is φ = 656.

The previous prime is 2477. The next prime is 2503. The reversal of 2490 is 942.

2490 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (2477) and next prime (2503).

It is a Harshad number since it is a multiple of its sum of digits (15).

2490 is an undulating number in base 14.

It is a plaindrome in base 9.

It is a nialpdrome in base 15.

It is a zygodrome in base 9.

It is an unprimeable number.

2490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12 + ... + 71.

It is an arithmetic number, because the mean of its divisors is an integer number (378).

2²⁴⁹⁰ is an apocalyptic number.

2490 is an abundant number, since it is smaller than the sum of its proper divisors (3558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024).

2490 is a wasteful number, since it uses less digits than its factorization.

2490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2490 is about 49.8998997995. The cubic root of 2490 is about 13.5539677836.

The spelling of 2490 in words is "two thousand, four hundred ninety".