3128148 has 36 divisors (see below), whose sum is σ = 8165248. Its totient is φ = 1008720.

The previous prime is 3128131. The next prime is 3128159. The reversal of 3128148 is 8418213.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×3128148³ = 91829692872139133376, which contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 2517.

Almost surely, 2^3128148 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 3128148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4082624).

3128148 is an abundant number, since it is smaller than the sum of its proper divisors (5037100).

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

3128148 is a wasteful number, since it uses less digits than its factorization.

3128148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844 (or 2839 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3128148 is about 1768.6571177026. The cubic root of 3128148 is about 146.2499627438.

It can be divided in two parts, 31281 and 48, that added together give a square (31329 = 177²).

The spelling of 3128148 in words is "three million, one hundred twenty-eight thousand, one hundred forty-eight".