3974289 has 16 divisors (see below), whose sum is σ = 5854464. Its totient is φ = 2378000.

The previous prime is 3974279. The next prime is 3974291. The reversal of 3974289 is 9824793.

It is a cyclic number.

It is not a de Polignac number, because 3974289 - 2¹⁶ = 3908753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3974289.

It is not an unprimeable number, because it can be changed into a prime (3974219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014 + ... + 3464.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

Almost surely, 2^3974289 is an apocalyptic number.

It is an amenable number.

3974289 is a deficient number, since it is larger than the sum of its proper divisors (1880175).

3974289 is a wasteful number, since it uses less digits than its factorization.

3974289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its digits is 108864, while the sum is 42.

The square root of 3974289 is about 1993.5618876774. The cubic root of 3974289 is about 158.3992599573.

The spelling of 3974289 in words is "three million, nine hundred seventy-four thousand, two hundred eighty-nine".