3250871028 has 18 divisors (see below), whose sum is σ = 8217479634. Its totient is φ = 1083623664.

The previous prime is 3250871027. The next prime is 3250871033. The reversal of 3250871028 is 8201780523.

It can be written as a sum of positive squares in only one way, i.e., 1773083664 + 1477787364 = 42108^2 + 38442^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 90301973 = 3250871028 / (3 + 2 + 5 + 0 + 8 + 7 + 1 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 3250870983 and 3250871001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250871027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45150951 + ... + 45151022.

Almost surely, 2^3250871028 is an apocalyptic number.

It is an amenable number.

3250871028 is an abundant number, since it is smaller than the sum of its proper divisors (4966608606).

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

3250871028 is a wasteful number, since it uses less digits than its factorization.

3250871028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90301983 (or 90301978 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 3250871028 is about 57016.4101640922. The cubic root of 3250871028 is about 1481.3803514619.

The spelling of 3250871028 in words is "three billion, two hundred fifty million, eight hundred seventy-one thousand, twenty-eight".