2490187 has 8 divisors (see below), whose sum is σ = 2969856. Its totient is φ = 2041512.

The previous prime is 2490161. The next prime is 2490209. The reversal of 2490187 is 7810942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490187 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490127) 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, 7573 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (371232).

2^2490187 is an apocalyptic number.

2490187 is a deficient number, since it is larger than the sum of its proper divisors (479669).

2490187 is a wasteful number, since it uses less digits than its factorization.

2490187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2490187 is about 1578.0326359109. The cubic root of 2490187 is about 135.5430707793.

The spelling of 2490187 in words is "two million, four hundred ninety thousand, one hundred eighty-seven".