3904918 has 8 divisors (see below), whose sum is σ = 6165720. Its totient is φ = 1849680.

The previous prime is 3904913. The next prime is 3904919. The reversal of 3904918 is 8194093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904913) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51343 + ... + 51418.

It is an arithmetic number, because the mean of its divisors is an integer number (770715).

Almost surely, 2^3904918 is an apocalyptic number.

3904918 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3904918 is a deficient number, since it is larger than the sum of its proper divisors (2260802).

3904918 is a wasteful number, since it uses less digits than its factorization.

3904918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102782.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3904918 is about 1976.0865365667. The cubic root of 3904918 is about 157.4722282435.

The spelling of 3904918 in words is "three million, nine hundred four thousand, nine hundred eighteen".