3969741 has 4 divisors (see below), whose sum is σ = 5292992. Its totient is φ = 2646492.

The previous prime is 3969737. The next prime is 3969751. The reversal of 3969741 is 1479693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1479693 = 3 ⋅493231.

It is not a de Polignac number, because 3969741 - 2² = 3969737 is a prime.

It is a D-number.

It is a Duffinian number.

3969741 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3969741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661621 + ... + 661626.

It is an arithmetic number, because the mean of its divisors is an integer number (1323248).

Almost surely, 2^3969741 is an apocalyptic number.

It is an amenable number.

3969741 is a deficient number, since it is larger than the sum of its proper divisors (1323251).

3969741 is a wasteful number, since it uses less digits than its factorization.

3969741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323250.

The product of its digits is 40824, while the sum is 39.

The square root of 3969741 is about 1992.4208892701. The cubic root of 3969741 is about 158.3388151996.

The spelling of 3969741 in words is "three million, nine hundred sixty-nine thousand, seven hundred forty-one".