399350484 has 72 divisors (see below), whose sum is σ = 1095843840. Its totient is φ = 121891392.

The previous prime is 399350477. The next prime is 399350521. The reversal of 399350484 is 484053993.

It is a happy number.

399350484 is a `hidden beast` number, since 39 + 93 + 50 + 484 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56077 + ... + 62795.

Almost surely, 2^399350484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399350484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547921920).

399350484 is an abundant number, since it is smaller than the sum of its proper divisors (696493356).

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

399350484 is a wasteful number, since it uses less digits than its factorization.

399350484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869 (or 6864 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 399350484 is about 19983.7555029079. The cubic root of 399350484 is about 736.4072774401.

The spelling of 399350484 in words is "three hundred ninety-nine million, three hundred fifty thousand, four hundred eighty-four".