2890278 has 24 divisors (see below), whose sum is σ = 6300216. Its totient is φ = 957600.

The previous prime is 2890271. The next prime is 2890301. The reversal of 2890278 is 8720982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3418 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (262509).

2^2890278 is an apocalyptic number.

2890278 is an abundant number, since it is smaller than the sum of its proper divisors (3409938).

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

2890278 is a wasteful number, since it uses less digits than its factorization.

2890278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2890278 is about 1700.0817627397. The cubic root of 2890278 is about 142.4447800820. Note that the first 3 decimals are identical.

The spelling of 2890278 in words is "two million, eight hundred ninety thousand, two hundred seventy-eight".