3972366 has 12 divisors (see below), whose sum is σ = 8606832. Its totient is φ = 1324116.

The previous prime is 3972359. The next prime is 3972377. The reversal of 3972366 is 6632793.

It is a d-powerful number, because it can be written as 3 + 9³ + 7 + 2²¹ + 3¹³ + 6³ + 6⁷ .

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 3972366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110326 + ... + 110361.

It is an arithmetic number, because the mean of its divisors is an integer number (717236).

Almost surely, 2^3972366 is an apocalyptic number.

3972366 is an abundant number, since it is smaller than the sum of its proper divisors (4634466).

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

3972366 is a wasteful number, since it uses less digits than its factorization.

3972366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220695 (or 220692 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 3972366 is about 1993.0795267625. The cubic root of 3972366 is about 158.3737081400.

The spelling of 3972366 in words is "three million, nine hundred seventy-two thousand, three hundred sixty-six".