2490878 has 8 divisors (see below), whose sum is σ = 4023768. Its totient is φ = 1149624.

The previous prime is 2490869. The next prime is 2490889. The reversal of 2490878 is 8780942.

2490878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47876 + ... + 47927.

It is an arithmetic number, because the mean of its divisors is an integer number (502971).

2^2490878 is an apocalyptic number.

2490878 is a deficient number, since it is larger than the sum of its proper divisors (1532890).

2490878 is a wasteful number, since it uses less digits than its factorization.

2490878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95818.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2490878 is about 1578.2515642318. The cubic root of 2490878 is about 135.5556068659. Note that the first 3 decimals are identical.

Subtracting 2490878 from its reverse (8780942), we obtain a square (6290064 = 2508²).

The spelling of 2490878 in words is "two million, four hundred ninety thousand, eight hundred seventy-eight".