2793878 has 4 divisors (see below), whose sum is σ = 4190820. Its totient is φ = 1396938.

The previous prime is 2793859. The next prime is 2793883. The reversal of 2793878 is 8783972.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698468 + ... + 698471.

It is an arithmetic number, because the mean of its divisors is an integer number (1047705).

2^2793878 is an apocalyptic number.

2793878 is a deficient number, since it is larger than the sum of its proper divisors (1396942).

2793878 is a wasteful number, since it uses less digits than its factorization.

2793878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396941.

The product of its digits is 169344, while the sum is 44.

The square root of 2793878 is about 1671.4897546799. The cubic root of 2793878 is about 140.8431769162.

The spelling of 2793878 in words is "two million, seven hundred ninety-three thousand, eight hundred seventy-eight".