487158438 has 64 divisors (see below), whose sum is σ = 1079350272. Its totient is φ = 145635840.

The previous prime is 487158421. The next prime is 487158439. The reversal of 487158438 is 834851784.

It is a super-3 number, since 3×487158438³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487158439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130083 + ... + 1130513.

It is an arithmetic number, because the mean of its divisors is an integer number (16864848).

Almost surely, 2^487158438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487158438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539675136).

487158438 is an abundant number, since it is smaller than the sum of its proper divisors (592191834).

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

487158438 is a wasteful number, since it uses less digits than its factorization.

487158438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 860160, while the sum is 48.

The square root of 487158438 is about 22071.6659543406. The cubic root of 487158438 is about 786.8466070311.

The spelling of 487158438 in words is "four hundred eighty-seven million, one hundred fifty-eight thousand, four hundred thirty-eight".