638060 has 24 divisors (see below), whose sum is σ = 1364496. Its totient is φ = 250560.

The previous prime is 638059. The next prime is 638063. The reversal of 638060 is 60836.

Added to its reverse (60836) it gives a square (698896 = 836²).

It is not an unprimeable number, because it can be changed into a prime (638063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (56854).

2⁶³⁸⁰⁶⁰ is an apocalyptic number.

It is an amenable number.

638060 is an abundant number, since it is smaller than the sum of its proper divisors (726436).

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

638060 is a wasteful number, since it uses less digits than its factorization.

638060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 638060 is about 798.7865797571. The cubic root of 638060 is about 86.0902244020.

Adding to 638060 its reverse (60836), we get a palindrome (698896).

The spelling of 638060 in words is "six hundred thirty-eight thousand, sixty".