2990986 has 12 divisors (see below), whose sum is σ = 4590738. Its totient is φ = 1461512.

The previous prime is 2990983. The next prime is 2990987. The reversal of 2990986 is 6890992.

2990986 = T₃₃₃ + T₃₃₄ + ... + T₃₇₉.

2990986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 1380625 = 1269^2 + 1175^2 .

It is not an unprimeable number, because it can be changed into a prime (2990983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4080 + ... + 4756.

2^2990986 is an apocalyptic number.

2990986 is a deficient number, since it is larger than the sum of its proper divisors (1599752).

2990986 is an equidigital number, since it uses as much as digits as its factorization.

2990986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2990986 is about 1729.4467323396. The cubic root of 2990986 is about 144.0803628078.

The spelling of 2990986 in words is "two million, nine hundred ninety thousand, nine hundred eighty-six".