423394886 has 8 divisors (see below), whose sum is σ = 640093440. Its totient is φ = 210030408.

The previous prime is 423394883. The next prime is 423394889. The reversal of 423394886 is 688493324.

It is an interprime number because it is at equal distance from previous prime (423394883) and next prime (423394889).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423394886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423394883) 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, 833201 + ... + 833708.

It is an arithmetic number, because the mean of its divisors is an integer number (80011680).

Almost surely, 2^423394886 is an apocalyptic number.

423394886 is a deficient number, since it is larger than the sum of its proper divisors (216698554).

423394886 is a wasteful number, since it uses less digits than its factorization.

423394886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667038.

The product of its digits is 995328, while the sum is 47.

The square root of 423394886 is about 20576.5615689308. The cubic root of 423394886 is about 750.8995937286.

The spelling of 423394886 in words is "four hundred twenty-three million, three hundred ninety-four thousand, eight hundred eighty-six".