2839653 has 6 divisors (see below), whose sum is σ = 4101734. Its totient is φ = 1893096.

The previous prime is 2839621. The next prime is 2839657. The reversal of 2839653 is 3569382.

2839653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 580644 = 1503^2 + 762^2 .

It is not a de Polignac number, because 2839653 - 2⁵ = 2839621 is a prime.

It is a Duffinian number.

2839653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839657) 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 5 ways as a sum of consecutive naturals, for example, 157750 + ... + 157767.

2^2839653 is an apocalyptic number.

It is an amenable number.

2839653 is a deficient number, since it is larger than the sum of its proper divisors (1262081).

2839653 is a wasteful number, since it uses less digits than its factorization.

2839653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315523 (or 315520 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2839653 is about 1685.1269981814. The cubic root of 2839653 is about 141.6082071754.

The spelling of 2839653 in words is "two million, eight hundred thirty-nine thousand, six hundred fifty-three".