423860686 has 8 divisors (see below), whose sum is σ = 636013944. Its totient is φ = 211856040.

The previous prime is 423860653. The next prime is 423860687. The reversal of 423860686 is 686068324.

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

It is a super-2 number, since 2×423860686² = 359315762272781192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423860687) 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, 29725 + ... + 41608.

It is an arithmetic number, because the mean of its divisors is an integer number (79501743).

Almost surely, 2^423860686 is an apocalyptic number.

423860686 is a deficient number, since it is larger than the sum of its proper divisors (212153258).

423860686 is a wasteful number, since it uses less digits than its factorization.

423860686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74306.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 423860686 is about 20587.8771610868. The cubic root of 423860686 is about 751.1748614546.

The spelling of 423860686 in words is "four hundred twenty-three million, eight hundred sixty thousand, six hundred eighty-six".