3949811 has 8 divisors (see below), whose sum is σ = 4074144. Its totient is φ = 3827520.

The previous prime is 3949793. The next prime is 3949819. The reversal of 3949811 is 1189493.

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-3949811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949819) 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, 4010 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (509268).

Almost surely, 2^3949811 is an apocalyptic number.

3949811 is a deficient number, since it is larger than the sum of its proper divisors (124333).

3949811 is an equidigital number, since it uses as much as digits as its factorization.

3949811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its digits is 7776, while the sum is 35.

The square root of 3949811 is about 1987.4131427562. The cubic root of 3949811 is about 158.0733916371.

The spelling of 3949811 in words is "three million, nine hundred forty-nine thousand, eight hundred eleven".