2578902 has 8 divisors (see below), whose sum is σ = 5157816. Its totient is φ = 859632.

The previous prime is 2578879. The next prime is 2578907. The reversal of 2578902 is 2098752.

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

2578902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214903 + ... + 214914.

It is an arithmetic number, because the mean of its divisors is an integer number (644727).

2^2578902 is an apocalyptic number.

2578902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2578902 is a wasteful number, since it uses less digits than its factorization.

2578902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429822.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2578902 is about 1605.8960115773. The cubic root of 2578902 is about 137.1339376019.

The spelling of 2578902 in words is "two million, five hundred seventy-eight thousand, nine hundred two".