3899760 has 40 divisors (see below), whose sum is σ = 12090000. Its totient is φ = 1039872.

The previous prime is 3899747. The next prime is 3899761. The reversal of 3899760 is 679983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (302250).

Almost surely, 2^3899760 is an apocalyptic number.

3899760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3899760 is an abundant number, since it is smaller than the sum of its proper divisors (8190240).

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

3899760 is a wasteful number, since it uses less digits than its factorization.

3899760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16265 (or 16259 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3899760 is about 1974.7810005163. The cubic root of 3899760 is about 157.4028627540.

The spelling of 3899760 in words is "three million, eight hundred ninety-nine thousand, seven hundred sixty".