2490678 has 12 divisors (see below), whose sum is σ = 5396508. Its totient is φ = 830220.

The previous prime is 2490667. The next prime is 2490679. The reversal of 2490678 is 8760942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69168 + ... + 69203.

It is an arithmetic number, because the mean of its divisors is an integer number (449709).

2^2490678 is an apocalyptic number.

2490678 is an abundant number, since it is smaller than the sum of its proper divisors (2905830).

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

2490678 is a wasteful number, since it uses less digits than its factorization.

2490678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138379 (or 138376 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2490678 is about 1578.1882017047. The cubic root of 2490678 is about 135.5519787146.

The spelling of 2490678 in words is "two million, four hundred ninety thousand, six hundred seventy-eight".