2538739 has 12 divisors (see below), whose sum is σ = 2979504. Its totient is φ = 2156784.

The previous prime is 2538733. The next prime is 2538749. The reversal of 2538739 is 9378352.

It is not a de Polignac number, because 2538739 - 2⁵ = 2538707 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 3⁸ + 8⁶ + 7⁷ + 3⁸ + 9³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2538698 and 2538707.

It is not an unprimeable number, because it can be changed into a prime (2538733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9522 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

2^2538739 is an apocalyptic number.

2538739 is a deficient number, since it is larger than the sum of its proper divisors (440765).

2538739 is a wasteful number, since it uses less digits than its factorization.

2538739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 2538739 is about 1593.3420850527. The cubic root of 2538739 is about 136.4183162396.

The spelling of 2538739 in words is "two million, five hundred thirty-eight thousand, seven hundred thirty-nine".