2990390 has 16 divisors (see below), whose sum is σ = 5797008. Its totient is φ = 1104096.

The previous prime is 2990381. The next prime is 2990401. The reversal of 2990390 is 930992.

2990390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11372 + ... + 11631.

It is an arithmetic number, because the mean of its divisors is an integer number (362313).

2^2990390 is an apocalyptic number.

2990390 is a deficient number, since it is larger than the sum of its proper divisors (2806618).

2990390 is a wasteful number, since it uses less digits than its factorization.

2990390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23023.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 2990390 is about 1729.2744143137. The cubic root of 2990390 is about 144.0707920954.

The spelling of 2990390 in words is "two million, nine hundred ninety thousand, three hundred ninety".