3899777 has 8 divisors (see below), whose sum is σ = 4488000. Its totient is φ = 3319344.

The previous prime is 3899773. The next prime is 3899801. The reversal of 3899777 is 7779983.

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

It is not a de Polignac number, because 3899777 - 2² = 3899773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3899771) 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, 827 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (561000).

Almost surely, 2^3899777 is an apocalyptic number.

It is an amenable number.

3899777 is a deficient number, since it is larger than the sum of its proper divisors (588223).

3899777 is a wasteful number, since it uses less digits than its factorization.

3899777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its digits is 666792, while the sum is 50.

The square root of 3899777 is about 1974.7853047863. The cubic root of 3899777 is about 157.4030914728.

The spelling of 3899777 in words is "three million, eight hundred ninety-nine thousand, seven hundred seventy-seven".