3307920 has 160 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 683520.

The previous prime is 3307903. The next prime is 3307939. The reversal of 3307920 is 297033.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18391 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

Almost surely, 2^3307920 is an apocalyptic number.

3307920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3307920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6428160).

3307920 is an abundant number, since it is smaller than the sum of its proper divisors (9548400).

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

3307920 is a wasteful number, since it uses less digits than its factorization.

3307920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 3307920 is about 1818.7688143357. The cubic root of 3307920 is about 148.9995645829. Note that the first 3 decimals are identical.

The spelling of 3307920 in words is "three million, three hundred seven thousand, nine hundred twenty".