815482 has 4 divisors (see below), whose sum is σ = 1223226. Its totient is φ = 407740.

The previous prime is 815471. The next prime is 815491. The reversal of 815482 is 284518.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 269361 = 739^2 + 519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 815482.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 203869 + ... + 203872.

2⁸¹⁵⁴⁸² is an apocalyptic number.

815482 is a deficient number, since it is larger than the sum of its proper divisors (407744).

815482 is a wasteful number, since it uses less digits than its factorization.

815482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407743.

The product of its digits is 2560, while the sum is 28.

The square root of 815482 is about 903.0404199149. The cubic root of 815482 is about 93.4267969642.

The spelling of 815482 in words is "eight hundred fifteen thousand, four hundred eighty-two".