399602214 has 64 divisors (see below), whose sum is σ = 1000028160. Its totient is φ = 117180000.

The previous prime is 399602213. The next prime is 399602297. The reversal of 399602214 is 412206993.

399602214 is a `hidden beast` number, since 39 + 9 + 602 + 2 + 14 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399602213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7564 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (15625440).

Almost surely, 2^399602214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399602214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500014080).

399602214 is an abundant number, since it is smaller than the sum of its proper divisors (600425946).

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

399602214 is a wasteful number, since it uses less digits than its factorization.

399602214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21754 (or 21748 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 399602214 is about 19990.0528763683. The cubic root of 399602214 is about 736.5619760274.

The spelling of 399602214 in words is "three hundred ninety-nine million, six hundred two thousand, two hundred fourteen".