3999260 has 24 divisors (see below), whose sum is σ = 8436960. Its totient is φ = 1592384.

The previous prime is 3999251. The next prime is 3999283. The reversal of 3999260 is 629993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6902 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^3999260 is an apocalyptic number.

It is an amenable number.

3999260 is an abundant number, since it is smaller than the sum of its proper divisors (4437700).

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

3999260 is a wasteful number, since it uses less digits than its factorization.

3999260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 3999260 is about 1999.8149914430. The cubic root of 3999260 is about 158.7303156200.

It can be divided in two parts, 39 and 99260, that added together give a palindrome (99299).

The spelling of 3999260 in words is "three million, nine hundred ninety-nine thousand, two hundred sixty".