3119920 has 40 divisors (see below), whose sum is σ = 7387920. Its totient is φ = 1224960.

The previous prime is 3119903. The next prime is 3119923. The reversal of 3119920 is 299113.

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

It is not an unprimeable number, because it can be changed into a prime (3119923) 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, 4390 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (184698).

Almost surely, 2^3119920 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 3119920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693960).

3119920 is an abundant number, since it is smaller than the sum of its proper divisors (4268000).

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

3119920 is a wasteful number, since it uses less digits than its factorization.

3119920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 3119920 is about 1766.3295275797. The cubic root of 3119920 is about 146.1216225571.

The spelling of 3119920 in words is "three million, one hundred nineteen thousand, nine hundred twenty".