2825638 has 16 divisors (see below), whose sum is σ = 4599504. Its totient is φ = 1296640.

The previous prime is 2825567. The next prime is 2825639. The reversal of 2825638 is 8365282.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (287469).

2^2825638 is an apocalyptic number.

2825638 is a deficient number, since it is larger than the sum of its proper divisors (1773866).

2825638 is a wasteful number, since it uses less digits than its factorization.

2825638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its digits is 23040, while the sum is 34.

The square root of 2825638 is about 1680.9634142360. The cubic root of 2825638 is about 141.3748555367.

The spelling of 2825638 in words is "two million, eight hundred twenty-five thousand, six hundred thirty-eight".