2890978 has 8 divisors (see below), whose sum is σ = 4397760. Its totient is φ = 1425060.

The previous prime is 2890961. The next prime is 2890997. The reversal of 2890978 is 8790982.

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

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, 10038 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (549720).

2^2890978 is an apocalyptic number.

2890978 is a deficient number, since it is larger than the sum of its proper divisors (1506782).

2890978 is a wasteful number, since it uses less digits than its factorization.

2890978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2890978 is about 1700.2876227274. The cubic root of 2890978 is about 142.4562787795.

The spelling of 2890978 in words is "two million, eight hundred ninety thousand, nine hundred seventy-eight".