25693338 has 32 divisors (see below), whose sum is σ = 56858112. Its totient is φ = 7674800.

The previous prime is 25693319. The next prime is 25693363. The reversal of 25693338 is 83339652.

It is a junction number, because it is equal to n+sod(n) for n = 25693296 and 25693305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945 + ... + 7427.

It is an arithmetic number, because the mean of its divisors is an integer number (1776816).

Almost surely, 2^25693338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25693338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28429056).

25693338 is an abundant number, since it is smaller than the sum of its proper divisors (31164774).

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

25693338 is a wasteful number, since it uses less digits than its factorization.

25693338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its digits is 116640, while the sum is 39.

The square root of 25693338 is about 5068.8596350659. The cubic root of 25693338 is about 295.0802730891.

The spelling of 25693338 in words is "twenty-five million, six hundred ninety-three thousand, three hundred thirty-eight".