470380638 has 128 divisors (see below), whose sum is σ = 1219921920. Its totient is φ = 117573120.

The previous prime is 470380637. The next prime is 470380649. The reversal of 470380638 is 836083074.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 470380596 and 470380605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470380637) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 965631 + ... + 966117.

It is an arithmetic number, because the mean of its divisors is an integer number (9530640).

Almost surely, 2^470380638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 470380638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609960960).

470380638 is an abundant number, since it is smaller than the sum of its proper divisors (749541282).

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

470380638 is a wasteful number, since it uses less digits than its factorization.

470380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 470380638 is about 21688.2603728377. The cubic root of 470380638 is about 777.7078433734.

The spelling of 470380638 in words is "four hundred seventy million, three hundred eighty thousand, six hundred thirty-eight".