3663958 has 4 divisors (see below), whose sum is σ = 5495940. Its totient is φ = 1831978.

The previous prime is 3663949. The next prime is 3663971. The reversal of 3663958 is 8593663.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3663958.

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 as a sum of consecutive naturals, namely, 915988 + ... + 915991.

It is an arithmetic number, because the mean of its divisors is an integer number (1373985).

Almost surely, 2^3663958 is an apocalyptic number.

3663958 is a deficient number, since it is larger than the sum of its proper divisors (1831982).

3663958 is a wasteful number, since it uses less digits than its factorization.

3663958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831981.

The product of its digits is 116640, while the sum is 40.

The square root of 3663958 is about 1914.1468073270. The cubic root of 3663958 is about 154.1641865034.

The spelling of 3663958 in words is "three million, six hundred sixty-three thousand, nine hundred fifty-eight".