2290739 has 16 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 1952160.

The previous prime is 2290727. The next prime is 2290747. The reversal of 2290739 is 9370922.

2290739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2290739 - 2¹⁶ = 2225203 is a prime.

It is a super-2 number, since 2×2290739² = 10494970332242, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2290789) 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 15 ways as a sum of consecutive naturals, for example, 13634 + ... + 13800.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^2290739 is an apocalyptic number.

2290739 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2290739 is a deficient number, since it is larger than the sum of its proper divisors (370381).

2290739 is a wasteful number, since it uses less digits than its factorization.

2290739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2290739 is about 1513.5187478191. The cubic root of 2290739 is about 131.8232060781.

The spelling of 2290739 in words is "two million, two hundred ninety thousand, seven hundred thirty-nine".