2487790 has 8 divisors (see below), whose sum is σ = 4478040. Its totient is φ = 995112.

The previous prime is 2487787. The next prime is 2487791. The reversal of 2487790 is 977842.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487791) 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, 124380 + ... + 124399.

It is an arithmetic number, because the mean of its divisors is an integer number (559755).

2^2487790 is an apocalyptic number.

2487790 is a deficient number, since it is larger than the sum of its proper divisors (1990250).

2487790 is a wasteful number, since it uses less digits than its factorization.

2487790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248786.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2487790 is about 1577.2729630600. The cubic root of 2487790 is about 135.4995665441.

The spelling of 2487790 in words is "two million, four hundred eighty-seven thousand, seven hundred ninety".