2990739 has 8 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 1969640.

The previous prime is 2990719. The next prime is 2990749. The reversal of 2990739 is 9370992.

2990739 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 2990739 - 2⁵ = 2990707 is a prime.

It is a super-2 number, since 2×2990739² = 17889039532242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2990697 and 2990706.

It is not an unprimeable number, because it can be changed into a prime (2990719) 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, 5757 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

2^2990739 is an apocalyptic number.

2990739 is a deficient number, since it is larger than the sum of its proper divisors (1045293).

2990739 is a wasteful number, since it uses less digits than its factorization.

2990739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2990739 is about 1729.3753207445. The cubic root of 2990739 is about 144.0763965762.

The spelling of 2990739 in words is "two million, nine hundred ninety thousand, seven hundred thirty-nine".