2990798 has 8 divisors (see below), whose sum is σ = 4581792. Its totient is φ = 1463536.

The previous prime is 2990797. The next prime is 2990831. The reversal of 2990798 is 8970992.

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 (2990791) 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, 15815 + ... + 16002.

It is an arithmetic number, because the mean of its divisors is an integer number (572724).

2^2990798 is an apocalyptic number.

2990798 is a deficient number, since it is larger than the sum of its proper divisors (1590994).

2990798 is a wasteful number, since it uses less digits than its factorization.

2990798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31866.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2990798 is about 1729.3923788429. The cubic root of 2990798 is about 144.0773439955.

It can be divided in two parts, 2990 and 798, that multiplied together give a triangular number (2386020 = T₂₁₈₄).

The spelling of 2990798 in words is "two million, nine hundred ninety thousand, seven hundred ninety-eight".