2538869 has 4 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 2456940.

The previous prime is 2538839. The next prime is 2538871. The reversal of 2538869 is 9688352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2538869 - 2¹² = 2534773 is a prime.

It is a super-2 number, since 2×2538869² = 12891711598322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁸ + 5⁸ + 3 + 8⁴ + 8⁷ + 6⁶ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538839) 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, 40919 + ... + 40980.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

2^2538869 is an apocalyptic number.

It is an amenable number.

2538869 is a deficient number, since it is larger than the sum of its proper divisors (81931).

2538869 is an equidigital number, since it uses as much as digits as its factorization.

2538869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81930.

The product of its digits is 103680, while the sum is 41.

The square root of 2538869 is about 1593.3828792855. The cubic root of 2538869 is about 136.4206447024.

The spelling of 2538869 in words is "two million, five hundred thirty-eight thousand, eight hundred sixty-nine".