3899673 has 12 divisors (see below), whose sum is σ = 5878080. Its totient is φ = 2486616.

The previous prime is 3899657. The next prime is 3899699. The reversal of 3899673 is 3769983.

It is a happy number.

It is not a de Polignac number, because 3899673 - 2⁴ = 3899657 is a prime.

It is an Ulam number.

3899673 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9213 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (489840).

Almost surely, 2^3899673 is an apocalyptic number.

It is an amenable number.

3899673 is a deficient number, since it is larger than the sum of its proper divisors (1978407).

3899673 is a wasteful number, since it uses less digits than its factorization.

3899673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18868 (or 18865 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3899673 is about 1974.7589726344. The cubic root of 3899673 is about 157.4016922417.

The spelling of 3899673 in words is "three million, eight hundred ninety-nine thousand, six hundred seventy-three".