641382 has 16 divisors (see below), whose sum is σ = 1466112. Its totient is φ = 183240.

The previous prime is 641371. The next prime is 641387. The reversal of 641382 is 283146.

It is a happy number.

641382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641382² = 822741739848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7594 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (91632).

2⁶⁴¹³⁸² is an apocalyptic number.

641382 is an abundant number, since it is smaller than the sum of its proper divisors (824730).

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

641382 is a wasteful number, since it uses less digits than its factorization.

641382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15283.

The product of its digits is 1152, while the sum is 24.

The square root of 641382 is about 800.8632842127. The cubic root of 641382 is about 86.2393727717.

The spelling of 641382 in words is "six hundred forty-one thousand, three hundred eighty-two".