3138260 has 12 divisors (see below), whose sum is σ = 6590388. Its totient is φ = 1255296.

The previous prime is 3138221. The next prime is 3138283. The reversal of 3138260 is 628313.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 1024144 = 1454^2 + 1012^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78437 + ... + 78476.

It is an arithmetic number, because the mean of its divisors is an integer number (549199).

Almost surely, 2^3138260 is an apocalyptic number.

It is an amenable number.

3138260 is an abundant number, since it is smaller than the sum of its proper divisors (3452128).

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

3138260 is a wasteful number, since it uses less digits than its factorization.

3138260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156922 (or 156920 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3138260 is about 1771.5134772279. The cubic root of 3138260 is about 146.4073816537.

The spelling of 3138260 in words is "three million, one hundred thirty-eight thousand, two hundred sixty".