4025918 has 24 divisors (see below), whose sum is σ = 6715368. Its totient is φ = 1808352.

The previous prime is 4025911. The next prime is 4025921. The reversal of 4025918 is 8195204.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14396 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (279807).

Almost surely, 2^4025918 is an apocalyptic number.

4025918 is a deficient number, since it is larger than the sum of its proper divisors (2689450).

4025918 is a wasteful number, since it uses less digits than its factorization.

4025918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 4025918 is about 2006.4690378872. The cubic root of 4025918 is about 159.0822195180.

The spelling of 4025918 in words is "four million, twenty-five thousand, nine hundred eighteen".