3663942 has 24 divisors (see below), whose sum is σ = 7787976. Its totient is φ = 1148928.

The previous prime is 3663929. The next prime is 3663949. The reversal of 3663942 is 2493663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663949) 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, 678 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (324499).

Almost surely, 2^3663942 is an apocalyptic number.

3663942 is an abundant number, since it is smaller than the sum of its proper divisors (4124034).

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

3663942 is a wasteful number, since it uses less digits than its factorization.

3663942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2135 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 3663942 is about 1914.1426279146. The cubic root of 3663942 is about 154.1639620985.

The spelling of 3663942 in words is "three million, six hundred sixty-three thousand, nine hundred forty-two".