3149928 has 40 divisors (see below), whose sum is σ = 8824530. Its totient is φ = 1049760.

The previous prime is 3149917. The next prime is 3149929. The reversal of 3149928 is 8299413.

3149928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 1127844 = 1422^2 + 1062^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3149892 and 3149901.

It is not an unprimeable number, because it can be changed into a prime (3149929) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1783 + ... + 3078.

Almost surely, 2^3149928 is an apocalyptic number.

It is an amenable number.

3149928 is an abundant number, since it is smaller than the sum of its proper divisors (5674602).

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

3149928 is a wasteful number, since it uses less digits than its factorization.

3149928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879 (or 4866 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3149928 is about 1774.8036511119. The cubic root of 3149928 is about 146.5886040053.

The spelling of 3149928 in words is "three million, one hundred forty-nine thousand, nine hundred twenty-eight".