3138966 has 16 divisors (see below), whose sum is σ = 6975600. Its totient is φ = 1046304.

The previous prime is 3138953. The next prime is 3138991. The reversal of 3138966 is 6698313.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3138966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29011 + ... + 29118.

It is an arithmetic number, because the mean of its divisors is an integer number (435975).

Almost surely, 2^3138966 is an apocalyptic number.

3138966 is an abundant number, since it is smaller than the sum of its proper divisors (3836634).

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

3138966 is a wasteful number, since it uses less digits than its factorization.

3138966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58140 (or 58134 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3138966 is about 1771.7127306649. The cubic root of 3138966 is about 146.4183596969.

The spelling of 3138966 in words is "three million, one hundred thirty-eight thousand, nine hundred sixty-six".