3219138 has 24 divisors (see below), whose sum is σ = 7511868. Its totient is φ = 990432.

The previous prime is 3219131. The next prime is 3219157. The reversal of 3219138 is 8319123.

It can be written as a sum of positive squares in 2 ways, for example, as 2518569 + 700569 = 1587^2 + 837^2 .

It is not an unprimeable number, because it can be changed into a prime (3219131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6645 + ... + 7112.

Almost surely, 2^3219138 is an apocalyptic number.

3219138 is an abundant number, since it is smaller than the sum of its proper divisors (4292730).

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

3219138 is a wasteful number, since it uses less digits than its factorization.

3219138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13778 (or 13775 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 3219138 is about 1794.1956415062. The cubic root of 3219138 is about 147.6544470511.

The spelling of 3219138 in words is "three million, two hundred nineteen thousand, one hundred thirty-eight".