420050384 has 80 divisors (see below), whose sum is σ = 918691200. Its totient is φ = 184708608.

The previous prime is 420050353. The next prime is 420050417. The reversal of 420050384 is 483050024.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500237 + ... + 501075.

It is an arithmetic number, because the mean of its divisors is an integer number (11483640).

Almost surely, 2^420050384 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 420050384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459345600).

420050384 is an abundant number, since it is smaller than the sum of its proper divisors (498640816).

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

420050384 is a wasteful number, since it uses less digits than its factorization.

420050384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 420050384 is about 20495.1307387877. The cubic root of 420050384 is about 748.9171835043.

The spelling of 420050384 in words is "four hundred twenty million, fifty thousand, three hundred eighty-four".