3038920 has 64 divisors (see below), whose sum is σ = 7484400. Its totient is φ = 1105920.

The previous prime is 3038897. The next prime is 3038927. The reversal of 3038920 is 298303.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1205604 + 1833316 = 1098^2 + 1354^2 .

It is not an unprimeable number, because it can be changed into a prime (3038927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27826 + ... + 27934.

Almost surely, 2^3038920 is an apocalyptic number.

3038920 is the 872-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3038920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3742200).

3038920 is an abundant number, since it is smaller than the sum of its proper divisors (4445480).

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

3038920 is a wasteful number, since it uses less digits than its factorization.

3038920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3038920 is about 1743.2498386634. The cubic root of 3038920 is about 144.8459719927.

The spelling of 3038920 in words is "three million, thirty-eight thousand, nine hundred twenty".