481577838 has 64 divisors (see below), whose sum is σ = 1173504000. Its totient is φ = 128685024.

The previous prime is 481577827. The next prime is 481577849. The reversal of 481577838 is 838775184.

It is an interprime number because it is at equal distance from previous prime (481577827) and next prime (481577849).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59223 + ... + 66861.

It is an arithmetic number, because the mean of its divisors is an integer number (18336000).

Almost surely, 2^481577838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481577838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586752000).

481577838 is an abundant number, since it is smaller than the sum of its proper divisors (691926162).

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

481577838 is a wasteful number, since it uses less digits than its factorization.

481577838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749.

The product of its digits is 1505280, while the sum is 51.

The square root of 481577838 is about 21944.8818178636. The cubic root of 481577838 is about 783.8305103123.

The spelling of 481577838 in words is "four hundred eighty-one million, five hundred seventy-seven thousand, eight hundred thirty-eight".