420819324 has 12 divisors (see below), whose sum is σ = 981911784. Its totient is φ = 140273104.

The previous prime is 420819317. The next prime is 420819361. The reversal of 420819324 is 423918024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17534127 + ... + 17534150.

It is an arithmetic number, because the mean of its divisors is an integer number (81825982).

Almost surely, 2^420819324 is an apocalyptic number.

It is an amenable number.

420819324 is an abundant number, since it is smaller than the sum of its proper divisors (561092460).

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

420819324 is a wasteful number, since it uses less digits than its factorization.

420819324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35068284 (or 35068282 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 420819324 is about 20513.8812514843. The cubic root of 420819324 is about 749.3738916855.

It can be divided in two parts, 4208 and 19324, that added together give a palindrome (23532).

The spelling of 420819324 in words is "four hundred twenty million, eight hundred nineteen thousand, three hundred twenty-four".