3949777 has 8 divisors (see below), whose sum is σ = 4477760. Its totient is φ = 3453840.

The previous prime is 3949733. The next prime is 3949793. The reversal of 3949777 is 7779493.

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

It is not a de Polignac number, because 3949777 - 2¹⁵ = 3917009 is a prime.

It is a Duffinian number.

3949777 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949177) 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, 7749 + ... + 8242.

It is an arithmetic number, because the mean of its divisors is an integer number (559720).

Almost surely, 2^3949777 is an apocalyptic number.

It is an amenable number.

3949777 is a deficient number, since it is larger than the sum of its proper divisors (527983).

3949777 is a wasteful number, since it uses less digits than its factorization.

3949777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023.

The product of its digits is 333396, while the sum is 46.

The square root of 3949777 is about 1987.4045889048. The cubic root of 3949777 is about 158.0729380702.

The spelling of 3949777 in words is "three million, nine hundred forty-nine thousand, seven hundred seventy-seven".