3992274 has 96 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1092960.

The previous prime is 3992257. The next prime is 3992279. The reversal of 3992274 is 4722993.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3992279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84919 + ... + 84965.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

Almost surely, 2^3992274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3992274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

3992274 is an abundant number, since it is smaller than the sum of its proper divisors (6732846).

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

3992274 is a wasteful number, since it uses less digits than its factorization.

3992274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 76 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3992274 is about 1998.0675664251. The cubic root of 3992274 is about 158.6378371539.

The spelling of 3992274 in words is "three million, nine hundred ninety-two thousand, two hundred seventy-four".