399714 has 32 divisors (see below), whose sum is σ = 946176. Its totient is φ = 110160.

The previous prime is 399691. The next prime is 399719. The reversal of 399714 is 417993.

It is not an unprimeable number, because it can be changed into a prime (399719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149 + ... + 1455.

It is an arithmetic number, because the mean of its divisors is an integer number (29568).

2³⁹⁹⁷¹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473088).

399714 is an abundant number, since it is smaller than the sum of its proper divisors (546462).

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

399714 is a wasteful number, since it uses less digits than its factorization.

399714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 6804, while the sum is 33.

The square root of 399714 is about 632.2293887506. The cubic root of 399714 is about 73.6630652357.

The spelling of 399714 in words is "three hundred ninety-nine thousand, seven hundred fourteen".