2490243 has 8 divisors (see below), whose sum is σ = 3794688. Its totient is φ = 1422984.

The previous prime is 2490239. The next prime is 2490247. The reversal of 2490243 is 3420942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2490239) and next prime (2490247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2490243 - 2² = 2490239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2490247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59271 + ... + 59312.

It is an arithmetic number, because the mean of its divisors is an integer number (474336).

2^2490243 is an apocalyptic number.

2490243 is a deficient number, since it is larger than the sum of its proper divisors (1304445).

2490243 is a wasteful number, since it uses less digits than its factorization.

2490243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118593.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2490243 is about 1578.0503794239. The cubic root of 2490243 is about 135.5440868148.

The spelling of 2490243 in words is "two million, four hundred ninety thousand, two hundred forty-three".