481893390 has 288 divisors, whose sum is σ = 1546140960. Its totient is φ = 103403520.

The previous prime is 481893383. The next prime is 481893463. The reversal of 481893390 is 93398184.

481893390 is a `hidden beast` number, since 481 + 89 + 3 + 3 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3517402 + ... + 3517538.

It is an arithmetic number, because the mean of its divisors is an integer number (5368545).

Almost surely, 2^481893390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481893390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773070480).

481893390 is an abundant number, since it is smaller than the sum of its proper divisors (1064247570).

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

481893390 is a wasteful number, since it uses less digits than its factorization.

481893390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 481893390 is about 21952.0702896105. The cubic root of 481893390 is about 784.0016735613.

The spelling of 481893390 in words is "four hundred eighty-one million, eight hundred ninety-three thousand, three hundred ninety".