399367332 has 288 divisors, whose sum is σ = 1347300864. Its totient is φ = 96768000.

The previous prime is 399367321. The next prime is 399367343. The reversal of 399367332 is 233763993.

It is an interprime number because it is at equal distance from previous prime (399367321) and next prime (399367343).

It is a nude number because it is divisible by every one of its digits.

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 95 ways as a sum of consecutive naturals, for example, 3954082 + ... + 3954182.

It is an arithmetic number, because the mean of its divisors is an integer number (4678128).

Almost surely, 2^399367332 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 399367332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673650432).

399367332 is an abundant number, since it is smaller than the sum of its proper divisors (947933532).

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

399367332 is a wasteful number, since it uses less digits than its factorization.

399367332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 214 counting only the distinct ones).

The product of its digits is 551124, while the sum is 45.

The square root of 399367332 is about 19984.1770408491. The cubic root of 399367332 is about 736.4176332686.

The spelling of 399367332 in words is "three hundred ninety-nine million, three hundred sixty-seven thousand, three hundred thirty-two".