3869942 has 8 divisors (see below), whose sum is σ = 5831616. Its totient is φ = 1926072.

The previous prime is 3869917. The next prime is 3869959. The reversal of 3869942 is 2499683.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3869942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3893 + ... + 4784.

It is an arithmetic number, because the mean of its divisors is an integer number (728952).

Almost surely, 2^3869942 is an apocalyptic number.

3869942 is a deficient number, since it is larger than the sum of its proper divisors (1961674).

3869942 is a wasteful number, since it uses less digits than its factorization.

3869942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902.

The product of its digits is 93312, while the sum is 41.

The square root of 3869942 is about 1967.2168157069. The cubic root of 3869942 is about 157.0006626340. Note that the first 3 decimals are identical.

The spelling of 3869942 in words is "three million, eight hundred sixty-nine thousand, nine hundred forty-two".