2990278 has 8 divisors (see below), whose sum is σ = 4497120. Its totient is φ = 1491240.

The previous prime is 2990237. The next prime is 2990279. The reversal of 2990278 is 8720992.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (562140).

2^2990278 is an apocalyptic number.

2990278 is a deficient number, since it is larger than the sum of its proper divisors (1506842).

2990278 is a wasteful number, since it uses less digits than its factorization.

2990278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2990278 is about 1729.2420304862. The cubic root of 2990278 is about 144.0689934303.

The spelling of 2990278 in words is "two million, nine hundred ninety thousand, two hundred seventy-eight".