2990817 has 8 divisors (see below), whose sum is σ = 4430880. Its totient is φ = 1993860.

The previous prime is 2990797. The next prime is 2990831. The reversal of 2990817 is 7180992.

It is a happy number.

2990817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2990817 - 2⁶ = 2990753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2990837) 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 7 ways as a sum of consecutive naturals, for example, 55359 + ... + 55412.

It is an arithmetic number, because the mean of its divisors is an integer number (553860).

2^2990817 is an apocalyptic number.

2990817 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2990817 is a deficient number, since it is larger than the sum of its proper divisors (1440063).

2990817 is a wasteful number, since it uses less digits than its factorization.

2990817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110780 (or 110774 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2990817 is about 1729.3978720931. The cubic root of 2990817 is about 144.0776490940.

The spelling of 2990817 in words is "two million, nine hundred ninety thousand, eight hundred seventeen".