399482 has 4 divisors (see below), whose sum is σ = 599226. Its totient is φ = 199740.

The previous prime is 399481. The next prime is 399491. The reversal of 399482 is 284993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284993 = 23 ⋅12391.

It can be written as a sum of positive squares in only one way, i.e., 326041 + 73441 = 571^2 + 271^2 .

It is not an unprimeable number, because it can be changed into a prime (399481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99869 + ... + 99872.

2³⁹⁹⁴⁸² is an apocalyptic number.

399482 is a deficient number, since it is larger than the sum of its proper divisors (199744).

399482 is a wasteful number, since it uses less digits than its factorization.

399482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199743.

The product of its digits is 15552, while the sum is 35.

The square root of 399482 is about 632.0458844103. The cubic root of 399482 is about 73.6488107616.

The spelling of 399482 in words is "three hundred ninety-nine thousand, four hundred eighty-two".