399047214 has 16 divisors (see below), whose sum is σ = 803179728. Its totient is φ = 132168192.

The previous prime is 399047213. The next prime is 399047237. The reversal of 399047214 is 412740993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399047213) 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, 210867 + ... + 212750.

It is an arithmetic number, because the mean of its divisors is an integer number (50198733).

Almost surely, 2^399047214 is an apocalyptic number.

399047214 is an abundant number, since it is smaller than the sum of its proper divisors (404132514).

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

399047214 is a wasteful number, since it uses less digits than its factorization.

399047214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423779.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 399047214 is about 19976.1661486883. The cubic root of 399047214 is about 736.2208190109.

The spelling of 399047214 in words is "three hundred ninety-nine million, forty-seven thousand, two hundred fourteen".