3983658 has 16 divisors (see below), whose sum is σ = 9105600. Its totient is φ = 1138176.

The previous prime is 3983657. The next prime is 3983663. The reversal of 3983658 is 8563893.

3983658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 94849 = 3983658 / (3 + 9 + 8 + 3 + 6 + 5 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3983657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47383 + ... + 47466.

It is an arithmetic number, because the mean of its divisors is an integer number (569100).

Almost surely, 2^3983658 is an apocalyptic number.

3983658 is an abundant number, since it is smaller than the sum of its proper divisors (5121942).

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

3983658 is a wasteful number, since it uses less digits than its factorization.

3983658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94861.

The product of its digits is 155520, while the sum is 42.

The square root of 3983658 is about 1995.9103186266. The cubic root of 3983658 is about 158.5236325624.

3983658 divided by its sum of digits (42) gives a palindrome (94849).

The spelling of 3983658 in words is "three million, nine hundred eighty-three thousand, six hundred fifty-eight".