25940394 has 12 divisors (see below), whose sum is σ = 56204226. Its totient is φ = 8646792.

The previous prime is 25940371. The next prime is 25940401. The reversal of 25940394 is 49304952.

It can be written as a sum of positive squares in only one way, i.e., 14630625 + 11309769 = 3825^2 + 3363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 720549 + ... + 720584.

Almost surely, 2^25940394 is an apocalyptic number.

25940394 is an abundant number, since it is smaller than the sum of its proper divisors (30263832).

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

25940394 is a wasteful number, since it uses less digits than its factorization.

25940394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441141 (or 1441138 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 25940394 is about 5093.1713106865. The cubic root of 25940394 is about 296.0230457465.

The spelling of 25940394 in words is "twenty-five million, nine hundred forty thousand, three hundred ninety-four".