423864898 has 8 divisors (see below), whose sum is σ = 643457808. Its totient is φ = 209378964.

The previous prime is 423864887. The next prime is 423864923. The reversal of 423864898 is 898468324.

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

It is a super-2 number, since 2×423864898² = 359322903513100808, which contains 22 as substring.

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, 1276536 + ... + 1276867.

It is an arithmetic number, because the mean of its divisors is an integer number (80432226).

Almost surely, 2^423864898 is an apocalyptic number.

423864898 is a deficient number, since it is larger than the sum of its proper divisors (219592910).

423864898 is a wasteful number, since it uses less digits than its factorization.

423864898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553488.

The product of its digits is 2654208, while the sum is 52.

The square root of 423864898 is about 20587.9794540407. The cubic root of 423864898 is about 751.1773496448.

The spelling of 423864898 in words is "four hundred twenty-three million, eight hundred sixty-four thousand, eight hundred ninety-eight".