3903660 has 48 divisors (see below), whose sum is σ = 12146400. Its totient is φ = 1040832.

The previous prime is 3903649. The next prime is 3903667. The reversal of 3903660 is 663093.

3903660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3903660² = 30477122791200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3903667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3075 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (253050).

Almost surely, 2^3903660 is an apocalyptic number.

3903660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3903660 is an abundant number, since it is smaller than the sum of its proper divisors (8242740).

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

3903660 is a wasteful number, since it uses less digits than its factorization.

3903660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247 (or 7239 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 3903660 is about 1975.7682050281. The cubic root of 3903660 is about 157.4553161222.

The spelling of 3903660 in words is "three million, nine hundred three thousand, six hundred sixty".