429390318 has 64 divisors (see below), whose sum is σ = 1056913920. Its totient is φ = 113498112.

The previous prime is 429390281. The next prime is 429390319. The reversal of 429390318 is 813093924.

It is a super-2 number, since 2×429390318² = 368752090384282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429390319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37030 + ... + 47222.

It is an arithmetic number, because the mean of its divisors is an integer number (16514280).

Almost surely, 2^429390318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429390318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528456960).

429390318 is an abundant number, since it is smaller than the sum of its proper divisors (627523602).

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

429390318 is a wasteful number, since it uses less digits than its factorization.

429390318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 429390318 is about 20721.7354002989. The cubic root of 429390318 is about 754.4273352880.

The spelling of 429390318 in words is "four hundred twenty-nine million, three hundred ninety thousand, three hundred eighteen".