2878392 has 32 divisors (see below), whose sum is σ = 7850880. Its totient is φ = 872160.

The previous prime is 2878391. The next prime is 2878397. The reversal of 2878392 is 2938782.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2878392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (245340).

2^2878392 is an apocalyptic number.

2878392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2878392 is an abundant number, since it is smaller than the sum of its proper divisors (4972488).

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

2878392 is a wasteful number, since it uses less digits than its factorization.

2878392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923 (or 10919 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2878392 is about 1696.5824471566. The cubic root of 2878392 is about 142.2492481554.

The spelling of 2878392 in words is "two million, eight hundred seventy-eight thousand, three hundred ninety-two".