3687942 has 8 divisors (see below), whose sum is σ = 7375896. Its totient is φ = 1229312.

The previous prime is 3687941. The next prime is 3687967. The reversal of 3687942 is 2497863.

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

3687942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3687942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307323 + ... + 307334.

It is an arithmetic number, because the mean of its divisors is an integer number (921987).

Almost surely, 2^3687942 is an apocalyptic number.

3687942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3687942 is a wasteful number, since it uses less digits than its factorization.

3687942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614662.

The product of its digits is 72576, while the sum is 39.

The square root of 3687942 is about 1920.4015205160. The cubic root of 3687942 is about 154.4998376639.

It can be divided in two parts, 36 and 87942, that added together give a palindrome (87978).

The spelling of 3687942 in words is "three million, six hundred eighty-seven thousand, nine hundred forty-two".