2990806 has 16 divisors (see below), whose sum is σ = 5521824. Its totient is φ = 1183104.

The previous prime is 2990797. The next prime is 2990831. The reversal of 2990806 is 6080992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8035 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (345114).

2^2990806 is an apocalyptic number.

2990806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2990806 is a deficient number, since it is larger than the sum of its proper divisors (2531018).

2990806 is a wasteful number, since it uses less digits than its factorization.

2990806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2990806 is about 1729.3946917925. The cubic root of 2990806 is about 144.0774724582.

The spelling of 2990806 in words is "two million, nine hundred ninety thousand, eight hundred six".