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3938 = 211179
BaseRepresentation
bin111101100010
312101212
4331202
5111223
630122
714324
oct7542
95355
103938
112a60
122342
131a3c
141614
151278
hexf62

3938 has 8 divisors (see below), whose sum is σ = 6480. Its totient is φ = 1780.

The previous prime is 3931. The next prime is 3943. The reversal of 3938 is 8393.

3938 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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

It is a Curzon number.

It is a plaindrome in base 5 and base 15.

It is a nialpdrome in base 8 and base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3938.

It is not an unprimeable number, because it can be changed into a prime (3931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 111.

It is an arithmetic number, because the mean of its divisors is an integer number (810).

23938 is an apocalyptic number.

3938 is a deficient number, since it is larger than the sum of its proper divisors (2542).

3938 is a wasteful number, since it uses less digits than its factorization.

3938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its digits is 648, while the sum is 23.

The square root of 3938 is about 62.7534859589. The cubic root of 3938 is about 15.7915673637.

It can be divided in two parts, 39 and 38, that added together give a palindrome (77).

The spelling of 3938 in words is "three thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 179 358 1969 3938