3089920 has 80 divisors (see below), whose sum is σ = 7954848. Its totient is φ = 1146880.

The previous prime is 3089909. The next prime is 3089923. The reversal of 3089920 is 299803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3089923) 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, 43485 + ... + 43555.

Almost surely, 2^3089920 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 3089920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3977424).

3089920 is an abundant number, since it is smaller than the sum of its proper divisors (4864928).

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

3089920 is an equidigital number, since it uses as much as digits as its factorization.

3089920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3089920 is about 1757.8168277725. The cubic root of 3089920 is about 145.6517627813.

The spelling of 3089920 in words is "three million, eighty-nine thousand, nine hundred twenty".