2902739 has 4 divisors (see below), whose sum is σ = 3317424. Its totient is φ = 2488056.

The previous prime is 2902729. The next prime is 2902771. The reversal of 2902739 is 9372092.

2902739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2902739 - 2⁴ = 2902723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2902729) 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 3 ways as a sum of consecutive naturals, for example, 207332 + ... + 207345.

It is an arithmetic number, because the mean of its divisors is an integer number (829356).

2^2902739 is an apocalyptic number.

2902739 is a deficient number, since it is larger than the sum of its proper divisors (414685).

2902739 is an equidigital number, since it uses as much as digits as its factorization.

2902739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414684.

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

The square root of 2902739 is about 1703.7426448851. The cubic root of 2902739 is about 142.6491963594.

The spelling of 2902739 in words is "two million, nine hundred two thousand, seven hundred thirty-nine".