423346986 has 40 divisors (see below), whose sum is σ = 952209984. Its totient is φ = 140580360.

The previous prime is 423346969. The next prime is 423347003. The reversal of 423346986 is 689643324.

It is an interprime number because it is at equal distance from previous prime (423346969) and next prime (423347003).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39081 + ... + 48723.

Almost surely, 2^423346986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423346986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476104992).

423346986 is an abundant number, since it is smaller than the sum of its proper divisors (528862998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423346986 is a wasteful number, since it uses less digits than its factorization.

423346986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928 (or 9919 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 423346986 is about 20575.3975903262. The cubic root of 423346986 is about 750.8712754469.

The spelling of 423346986 in words is "four hundred twenty-three million, three hundred forty-six thousand, nine hundred eighty-six".