391482 has 48 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 102816.

The previous prime is 391453. The next prime is 391487. The reversal of 391482 is 284193.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 391482.

It is not an unprimeable number, because it can be changed into a prime (391487) by changing a digit.

391482 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2³⁹¹⁴⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524160).

391482 is an abundant number, since it is smaller than the sum of its proper divisors (656838).

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

391482 is a wasteful number, since it uses less digits than its factorization.

391482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 391482 is about 625.6852243740. The cubic root of 391482 is about 73.1538632497.

It can be divided in two parts, 39 and 1482, that added together give a square (1521 = 39²).

The spelling of 391482 in words is "three hundred ninety-one thousand, four hundred eighty-two".