3148928 has 32 divisors (see below), whose sum is σ = 6378060. Its totient is φ = 1548288.

The previous prime is 3148919. The next prime is 3148931. The reversal of 3148928 is 8298413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 23104 = 1768^2 + 152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9176 + ... + 9512.

Almost surely, 2^3148928 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 3148928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189030).

3148928 is an abundant number, since it is smaller than the sum of its proper divisors (3229132).

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

3148928 is an equidigital number, since it uses as much as digits as its factorization.

3148928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 412 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 3148928 is about 1774.5219074444. The cubic root of 3148928 is about 146.5730899872.

The spelling of 3148928 in words is "three million, one hundred forty-eight thousand, nine hundred twenty-eight".