3970782 has 40 divisors (see below), whose sum is σ = 9014016. Its totient is φ = 1306368.

The previous prime is 3970781. The next prime is 3970787. The reversal of 3970782 is 2870793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20478 + ... + 20670.

Almost surely, 2^3970782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3970782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4507008).

3970782 is an abundant number, since it is smaller than the sum of its proper divisors (5043234).

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

3970782 is a wasteful number, since it uses less digits than its factorization.

3970782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 3970782 is about 1992.6821121293. The cubic root of 3970782 is about 158.3526545827.

The spelling of 3970782 in words is "three million, nine hundred seventy thousand, seven hundred eighty-two".