423638386 has 8 divisors (see below), whose sum is σ = 635886000. Its totient is φ = 211676388.

The previous prime is 423638377. The next prime is 423638393. The reversal of 423638386 is 683836324.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67656 + ... + 73651.

It is an arithmetic number, because the mean of its divisors is an integer number (79485750).

Almost surely, 2^423638386 is an apocalyptic number.

423638386 is a deficient number, since it is larger than the sum of its proper divisors (212247614).

423638386 is a wasteful number, since it uses less digits than its factorization.

423638386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142808.

The product of its digits is 497664, while the sum is 43.

The square root of 423638386 is about 20582.4776448318. The cubic root of 423638386 is about 751.0435169047.

The spelling of 423638386 in words is "four hundred twenty-three million, six hundred thirty-eight thousand, three hundred eighty-six".