2534644 has 12 divisors (see below), whose sum is σ = 5069344. Its totient is φ = 1086264.

The previous prime is 2534641. The next prime is 2534647. The reversal of 2534644 is 4464352.

It is an interprime number because it is at equal distance from previous prime (2534641) and next prime (2534647).

2534644 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 90523 = 2534644 / (2 + 5 + 3 + 4 + 6 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534641) 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, 45234 + ... + 45289.

2^2534644 is an apocalyptic number.

It is an amenable number.

2534644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2534644 is a wasteful number, since it uses less digits than its factorization.

2534644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90534 (or 90532 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 2534644 is about 1592.0565316596. The cubic root of 2534644 is about 136.3449289354.

Adding to 2534644 its reverse (4464352), we get a palindrome (6998996).

The spelling of 2534644 in words is "two million, five hundred thirty-four thousand, six hundred forty-four".