2538836 has 6 divisors (see below), whose sum is σ = 4442970. Its totient is φ = 1269416.

The previous prime is 2538827. The next prime is 2538839. The reversal of 2538836 is 6388352.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 42436 = 1580^2 + 206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2538796 and 2538805.

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 as a sum of consecutive naturals, namely, 317351 + ... + 317358.

It is an arithmetic number, because the mean of its divisors is an integer number (740495).

2^2538836 is an apocalyptic number.

It is an amenable number.

2538836 is a deficient number, since it is larger than the sum of its proper divisors (1904134).

2538836 is a wasteful number, since it uses less digits than its factorization.

2538836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634713 (or 634711 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2538836 is about 1593.3725239253. The cubic root of 2538836 is about 136.4200536386.

The spelling of 2538836 in words is "two million, five hundred thirty-eight thousand, eight hundred thirty-six".