399483109 has 8 divisors (see below), whose sum is σ = 405463968. Its totient is φ = 393544080.

The previous prime is 399483107. The next prime is 399483163. The reversal of 399483109 is 901384993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399483109 - 2¹ = 399483107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399483107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 29680.

It is an arithmetic number, because the mean of its divisors is an integer number (50682996).

Almost surely, 2^399483109 is an apocalyptic number.

It is an amenable number.

399483109 is a deficient number, since it is larger than the sum of its proper divisors (5980859).

399483109 is a wasteful number, since it uses less digits than its factorization.

399483109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 399483109 is about 19987.0735476708. The cubic root of 399483109 is about 736.4887891359.

The spelling of 399483109 in words is "three hundred ninety-nine million, four hundred eighty-three thousand, one hundred nine".