2993878 has 4 divisors (see below), whose sum is σ = 4490820. Its totient is φ = 1496938.

The previous prime is 2993869. The next prime is 2993891. The reversal of 2993878 is 8783992.

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, 748468 + ... + 748471.

It is an arithmetic number, because the mean of its divisors is an integer number (1122705).

2^2993878 is an apocalyptic number.

2993878 is a deficient number, since it is larger than the sum of its proper divisors (1496942).

2993878 is a wasteful number, since it uses less digits than its factorization.

2993878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496941.

The product of its digits is 217728, while the sum is 46.

The square root of 2993878 is about 1730.2826358720. The cubic root of 2993878 is about 144.1267852010.

The spelling of 2993878 in words is "two million, nine hundred ninety-three thousand, eight hundred seventy-eight".