2878520 has 16 divisors (see below), whose sum is σ = 6476760. Its totient is φ = 1151392.

The previous prime is 2878451. The next prime is 2878537. The reversal of 2878520 is 258782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35942 + ... + 36021.

2^2878520 is an apocalyptic number.

2878520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2878520 is an abundant number, since it is smaller than the sum of its proper divisors (3598240).

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

2878520 is a wasteful number, since it uses less digits than its factorization.

2878520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71974 (or 71970 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2878520 is about 1696.6201696314. The cubic root of 2878520 is about 142.2513566977.

The spelling of 2878520 in words is "two million, eight hundred seventy-eight thousand, five hundred twenty".