391482282 has 16 divisors (see below), whose sum is σ = 792398880. Its totient is φ = 128921712.

The previous prime is 391482269. The next prime is 391482293. The reversal of 391482282 is 282284193.

It is a self number, because there is not a number n which added to its sum of digits gives 391482282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392557 + ... + 393552.

It is an arithmetic number, because the mean of its divisors is an integer number (49524930).

Almost surely, 2^391482282 is an apocalyptic number.

391482282 is an abundant number, since it is smaller than the sum of its proper divisors (400916598).

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

391482282 is a wasteful number, since it uses less digits than its factorization.

391482282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786197.

The product of its digits is 55296, while the sum is 39.

The square root of 391482282 is about 19785.9111996390. The cubic root of 391482282 is about 731.5388081494.

The spelling of 391482282 in words is "three hundred ninety-one million, four hundred eighty-two thousand, two hundred eighty-two".