423876386 has 4 divisors (see below), whose sum is σ = 635814582. Its totient is φ = 211938192.

The previous prime is 423876379. The next prime is 423876391. The reversal of 423876386 is 683678324.

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

It can be written as a sum of positive squares in only one way, i.e., 405257161 + 18619225 = 20131^2 + 4315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423876386.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105969095 + ... + 105969098.

Almost surely, 2^423876386 is an apocalyptic number.

423876386 is a deficient number, since it is larger than the sum of its proper divisors (211938196).

423876386 is a wasteful number, since it uses less digits than its factorization.

423876386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211938195.

The product of its digits is 1161216, while the sum is 47.

The square root of 423876386 is about 20588.2584499029. The cubic root of 423876386 is about 751.1841359640.

The spelling of 423876386 in words is "four hundred twenty-three million, eight hundred seventy-six thousand, three hundred eighty-six".