2990915 has 8 divisors (see below), whose sum is σ = 3713040. Its totient is φ = 2310112.

The previous prime is 2990899. The next prime is 2990917. The reversal of 2990915 is 5190992.

2990915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2990915 - 2⁴ = 2990899 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2990917) 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, 10169 + ... + 10458.

It is an arithmetic number, because the mean of its divisors is an integer number (464130).

2^2990915 is an apocalyptic number.

2990915 is a deficient number, since it is larger than the sum of its proper divisors (722125).

2990915 is a wasteful number, since it uses less digits than its factorization.

2990915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20661.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 2990915 is about 1729.4262054219. The cubic root of 2990915 is about 144.0792227393.

The spelling of 2990915 in words is "two million, nine hundred ninety thousand, nine hundred fifteen".