420034304 has 36 divisors (see below), whose sum is σ = 841555680. Its totient is φ = 209233920.

The previous prime is 420034301. The next prime is 420034313. The reversal of 420034304 is 403430024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420034301) 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, 69017 + ... + 74855.

Almost surely, 2^420034304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420034304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420777840).

420034304 is an abundant number, since it is smaller than the sum of its proper divisors (421521376).

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

420034304 is an equidigital number, since it uses as much as digits as its factorization.

420034304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420034304 is about 20494.7384467331. The cubic root of 420034304 is about 748.9076269190.

Adding to 420034304 its reverse (403430024), we get a palindrome (823464328).

The spelling of 420034304 in words is "four hundred twenty million, thirty-four thousand, three hundred four".