2536939 has 4 divisors (see below), whose sum is σ = 2546640. Its totient is φ = 2527240.

The previous prime is 2536921. The next prime is 2536943. The reversal of 2536939 is 9396352.

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 2536939 - 2⁵ = 2536907 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁵ + 6³ + 9 + 3¹⁰ + 9 .

It is a Duffinian number.

2536939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2536898 and 2536907.

It is not an unprimeable number, because it can be changed into a prime (2536909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (636660).

2^2536939 is an apocalyptic number.

2536939 is a deficient number, since it is larger than the sum of its proper divisors (9701).

2536939 is an equidigital number, since it uses as much as digits as its factorization.

2536939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700.

The product of its digits is 43740, while the sum is 37.

The square root of 2536939 is about 1592.7771344416. Note that the first 3 decimals coincide. The cubic root of 2536939 is about 136.3860678116.

The spelling of 2536939 in words is "two million, five hundred thirty-six thousand, nine hundred thirty-nine".