420459329 has 4 divisors (see below), whose sum is σ = 420577476. Its totient is φ = 420341184.

The previous prime is 420459301. The next prime is 420459331. The reversal of 420459329 is 923954024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160604929 + 259854400 = 12673^2 + 16120^2 .

It is a cyclic number.

It is not a de Polignac number, because 420459329 - 2²⁰ = 419410753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420459292 and 420459301.

It is not an unprimeable number, because it can be changed into a prime (420459029) 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, 53564 + ... + 60909.

It is an arithmetic number, because the mean of its divisors is an integer number (105144369).

Almost surely, 2^420459329 is an apocalyptic number.

It is an amenable number.

420459329 is a deficient number, since it is larger than the sum of its proper divisors (118147).

420459329 is a wasteful number, since it uses less digits than its factorization.

420459329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118146.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 420459329 is about 20505.1049497436. The cubic root of 420459329 is about 749.1601437248.

The spelling of 420459329 in words is "four hundred twenty million, four hundred fifty-nine thousand, three hundred twenty-nine".