3983739 has 16 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 2565920.

The previous prime is 3983719. The next prime is 3983747. The reversal of 3983739 is 9373893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3983739 - 2⁹ = 3983227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3983739.

It is not an unprimeable number, because it can be changed into a prime (3983719) 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, 12409 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (343440).

Almost surely, 2^3983739 is an apocalyptic number.

3983739 is a deficient number, since it is larger than the sum of its proper divisors (1511301).

3983739 is a wasteful number, since it uses less digits than its factorization.

3983739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 122472, while the sum is 42.

The square root of 3983739 is about 1995.9306100163. The cubic root of 3983739 is about 158.5247069792.

The spelling of 3983739 in words is "three million, nine hundred eighty-three thousand, seven hundred thirty-nine".