3939761 has 8 divisors (see below), whose sum is σ = 4557504. Its totient is φ = 3335760.

The previous prime is 3939743. The next prime is 3939769. The reversal of 3939761 is 1679393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3939761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3939769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (569688).

Almost surely, 2^3939761 is an apocalyptic number.

It is an amenable number.

3939761 is a deficient number, since it is larger than the sum of its proper divisors (617743).

3939761 is an equidigital number, since it uses as much as digits as its factorization.

3939761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871.

The product of its digits is 30618, while the sum is 38.

The square root of 3939761 is about 1984.8831199847. The cubic root of 3939761 is about 157.9392091083.

The spelling of 3939761 in words is "three million, nine hundred thirty-nine thousand, seven hundred sixty-one".