2990247 has 8 divisors (see below), whose sum is σ = 4293744. Its totient is φ = 1840128.

The previous prime is 2990237. The next prime is 2990279. The reversal of 2990247 is 7420992.

2990247 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 not a de Polignac number, because 2990247 - 2⁴ = 2990231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990227) 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, 38298 + ... + 38375.

It is an arithmetic number, because the mean of its divisors is an integer number (536718).

2^2990247 is an apocalyptic number.

2990247 is a deficient number, since it is larger than the sum of its proper divisors (1303497).

2990247 is a wasteful number, since it uses less digits than its factorization.

2990247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76689.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2990247 is about 1729.2330669982. The cubic root of 2990247 is about 144.0684955776.

The spelling of 2990247 in words is "two million, nine hundred ninety thousand, two hundred forty-seven".