3999296 has 56 divisors (see below), whose sum is σ = 9265920. Its totient is φ = 1677312.

The previous prime is 3999283. The next prime is 3999311. The reversal of 3999296 is 6929993.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 3999296.

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, 35336 + ... + 35448.

Almost surely, 2^3999296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3999296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4632960).

3999296 is an abundant number, since it is smaller than the sum of its proper divisors (5266624).

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

3999296 is a wasteful number, since it uses less digits than its factorization.

3999296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 201 counting only the distinct ones).

The product of its digits is 236196, while the sum is 47.

The square root of 3999296 is about 1999.8239922553. The cubic root of 3999296 is about 158.7307918976.

The spelling of 3999296 in words is "three million, nine hundred ninety-nine thousand, two hundred ninety-six".