2669920 has 96 divisors (see below), whose sum is σ = 7239456. Its totient is φ = 921600.

The previous prime is 2669903. The next prime is 2669951. The reversal of 2669920 is 299662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65100 + ... + 65140.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2^2669920 is an apocalyptic number.

2669920 is a gapful number since it is divisible by the number (20) 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 2669920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3619728).

2669920 is an abundant number, since it is smaller than the sum of its proper divisors (4569536).

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

2669920 is a wasteful number, since it uses less digits than its factorization.

2669920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2669920 is about 1633.9889840510. The cubic root of 2669920 is about 138.7286253360.

The spelling of 2669920 in words is "two million, six hundred sixty-nine thousand, nine hundred twenty".