25889738 has 24 divisors (see below), whose sum is σ = 45860832. Its totient is φ = 10927224.

The previous prime is 25889729. The next prime is 25889749. The reversal of 25889738 is 83798852.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4595 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (1910868).

Almost surely, 2^25889738 is an apocalyptic number.

25889738 is a deficient number, since it is larger than the sum of its proper divisors (19971094).

25889738 is a wasteful number, since it uses less digits than its factorization.

25889738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4019 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 25889738 is about 5088.1959474847. The cubic root of 25889738 is about 295.8302304420.

The spelling of 25889738 in words is "twenty-five million, eight hundred eighty-nine thousand, seven hundred thirty-eight".