2890739 has 2 divisors, whose sum is σ = 2890740. Its totient is φ = 2890738.

The previous prime is 2890711. The next prime is 2890753. The reversal of 2890739 is 9370982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2890739 - 2⁸ = 2890483 is a prime.

It is a super-2 number, since 2×2890739² = 16712743932242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2890759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445369 + 1445370.

It is an arithmetic number, because the mean of its divisors is an integer number (1445370).

2^2890739 is an apocalyptic number.

2890739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890739 is an equidigital number, since it uses as much as digits as its factorization.

2890739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2890739 is about 1700.2173390482. The cubic root of 2890739 is about 142.4523530043.

The spelling of 2890739 in words is "two million, eight hundred ninety thousand, seven hundred thirty-nine".