3149028 has 18 divisors (see below), whose sum is σ = 7960134. Its totient is φ = 1049664.

The previous prime is 3149009. The next prime is 3149051. The reversal of 3149028 is 8209413.

It can be written as a sum of positive squares in only one way, i.e., 3069504 + 79524 = 1752^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 3148992 and 3149010.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43701 + ... + 43772.

Almost surely, 2^3149028 is an apocalyptic number.

It is an amenable number.

3149028 is an abundant number, since it is smaller than the sum of its proper divisors (4811106).

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

3149028 is a wasteful number, since it uses less digits than its factorization.

3149028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87483 (or 87478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3149028 is about 1774.5500838241. The cubic root of 3149028 is about 146.5746415368.

The spelling of 3149028 in words is "three million, one hundred forty-nine thousand, twenty-eight".