3974263 has 4 divisors (see below), whose sum is σ = 3983040. Its totient is φ = 3965488.

The previous prime is 3974261. The next prime is 3974279. The reversal of 3974263 is 3624793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3624793 = 97 ⋅37369.

It is a cyclic number.

It is not a de Polignac number, because 3974263 - 2¹ = 3974261 is a prime.

It is a Duffinian number.

3974263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974261) 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 3 ways as a sum of consecutive naturals, for example, 3670 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (995760).

Almost surely, 2^3974263 is an apocalyptic number.

3974263 is a deficient number, since it is larger than the sum of its proper divisors (8777).

3974263 is an equidigital number, since it uses as much as digits as its factorization.

3974263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776.

The product of its digits is 27216, while the sum is 34.

The square root of 3974263 is about 1993.5553666753. Note that the first 3 decimals coincide. The cubic root of 3974263 is about 158.3989145378.

The spelling of 3974263 in words is "three million, nine hundred seventy-four thousand, two hundred sixty-three".