Search a number
-
+
3938423 = 7353951
BaseRepresentation
bin1111000001100001110111
321102002111112
433001201313
52002012143
6220225235
745322166
oct17014167
97362445
103938423
11224aaa5
12139b21b
13a7b838
147473dd
1552be18
hex3c1877

3938423 has 4 divisors (see below), whose sum is σ = 3992448. Its totient is φ = 3884400.

The previous prime is 3938393. The next prime is 3938437. The reversal of 3938423 is 3248393.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3938423 - 28 = 3938167 is a prime.

It is a super-2 number, since 2×39384232 = 31022351453858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3938423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938723) 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, 26903 + ... + 27048.

It is an arithmetic number, because the mean of its divisors is an integer number (998112).

Almost surely, 23938423 is an apocalyptic number.

3938423 is a deficient number, since it is larger than the sum of its proper divisors (54025).

3938423 is an equidigital number, since it uses as much as digits as its factorization.

3938423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54024.

The product of its digits is 15552, while the sum is 32.

The square root of 3938423 is about 1984.5460438095. The cubic root of 3938423 is about 157.9213276016.

The spelling of 3938423 in words is "three million, nine hundred thirty-eight thousand, four hundred twenty-three".

Divisors: 1 73 53951 3938423