3904780 has 24 divisors (see below), whose sum is σ = 8946000. Its totient is φ = 1419840.

The previous prime is 3904759. The next prime is 3904801. The reversal of 3904780 is 874093.

It is a happy number.

3904780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3904759) and next prime (3904801).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8655 + ... + 9094.

It is an arithmetic number, because the mean of its divisors is an integer number (372750).

Almost surely, 2^3904780 is an apocalyptic number.

It is an amenable number.

3904780 is an abundant number, since it is smaller than the sum of its proper divisors (5041220).

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

3904780 is a wasteful number, since it uses less digits than its factorization.

3904780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17769 (or 17767 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3904780 is about 1976.0516187590. The cubic root of 3904780 is about 157.4703731961.

The spelling of 3904780 in words is "three million, nine hundred four thousand, seven hundred eighty".