3391920 has 120 divisors (see below), whose sum is σ = 13037856. Its totient is φ = 774144.

The previous prime is 3391909. The next prime is 3391933. The reversal of 3391920 is 291933.

It is a tau number, because it is divible by the number of its divisors (120).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4704 + ... + 5376.

Almost surely, 2^3391920 is an apocalyptic number.

3391920 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 3391920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6518928).

3391920 is an abundant number, since it is smaller than the sum of its proper divisors (9645936).

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

3391920 is a wasteful number, since it uses less digits than its factorization.

3391920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3391920 is about 1841.7165905752. The cubic root of 3391920 is about 150.2502489376.

The spelling of 3391920 in words is "three million, three hundred ninety-one thousand, nine hundred twenty".