351304420 has 12 divisors (see below), whose sum is σ = 737739324. Its totient is φ = 140521760.

The previous prime is 351304417. The next prime is 351304423. The reversal of 351304420 is 24403153.

It is an interprime number because it is at equal distance from previous prime (351304417) and next prime (351304423).

It can be written as a sum of positive squares in 2 ways, for example, as 178329316 + 172975104 = 13354^2 + 13152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 351304391 and 351304400.

It is not an unprimeable number, because it can be changed into a prime (351304423) 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, 8782591 + ... + 8782630.

It is an arithmetic number, because the mean of its divisors is an integer number (61478277).

Almost surely, 2^351304420 is an apocalyptic number.

It is an amenable number.

351304420 is an abundant number, since it is smaller than the sum of its proper divisors (386434904).

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

351304420 is a wasteful number, since it uses less digits than its factorization.

351304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17565230 (or 17565228 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 351304420 is about 18743.1166031693. The cubic root of 351304420 is about 705.6042771057.

Adding to 351304420 its reverse (24403153), we get a palindrome (375707573).

The spelling of 351304420 in words is "three hundred fifty-one million, three hundred four thousand, four hundred twenty".