2538399 has 16 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 1614816.

The previous prime is 2538397. The next prime is 2538401. The reversal of 2538399 is 9938352.

It is an interprime number because it is at equal distance from previous prime (2538397) and next prime (2538401).

It is not a de Polignac number, because 2538399 - 2¹ = 2538397 is a prime.

It is an Ulam number.

2538399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14092 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

2^2538399 is an apocalyptic number.

2538399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2538399 is a deficient number, since it is larger than the sum of its proper divisors (1004001).

2538399 is a wasteful number, since it uses less digits than its factorization.

2538399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 58320, while the sum is 39.

The square root of 2538399 is about 1593.2353875056. The cubic root of 2538399 is about 136.4122260378.

The spelling of 2538399 in words is "two million, five hundred thirty-eight thousand, three hundred ninety-nine".