2971386 has 48 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 876960.

The previous prime is 2971363. The next prime is 2971399. The reversal of 2971386 is 6831792.

It is a self number, because there is not a number n which added to its sum of digits gives 2971386.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8340 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

2^2971386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603600).

2971386 is an abundant number, since it is smaller than the sum of its proper divisors (4235814).

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

2971386 is a wasteful number, since it uses less digits than its factorization.

2971386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 408 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2971386 is about 1723.7708664437. The cubic root of 2971386 is about 143.7649521939.

The spelling of 2971386 in words is "two million, nine hundred seventy-one thousand, three hundred eighty-six".