390243482 has 4 divisors (see below), whose sum is σ = 585365226. Its totient is φ = 195121740.

The previous prime is 390243481. The next prime is 390243499. The reversal of 390243482 is 284342093.

It is a happy number.

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., 340808521 + 49434961 = 18461^2 + 7031^2 .

It is a super-3 number, since 3×390243482³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (390243481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97560869 + ... + 97560872.

Almost surely, 2^390243482 is an apocalyptic number.

390243482 is a deficient number, since it is larger than the sum of its proper divisors (195121744).

390243482 is a wasteful number, since it uses less digits than its factorization.

390243482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195121743.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 390243482 is about 19754.5812914372. The cubic root of 390243482 is about 730.7663697463.

The spelling of 390243482 in words is "three hundred ninety million, two hundred forty-three thousand, four hundred eighty-two".