399914 has 8 divisors (see below), whose sum is σ = 614628. Its totient is φ = 195040.

The previous prime is 399913. The next prime is 399937. The reversal of 399914 is 419993.

It can be written as a sum of positive squares in 2 ways, for example, as 339889 + 60025 = 583^2 + 245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (399911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 2520.

2³⁹⁹⁹¹⁴ is an apocalyptic number.

399914 is a deficient number, since it is larger than the sum of its proper divisors (214714).

399914 is a wasteful number, since it uses less digits than its factorization.

399914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 8748, while the sum is 35.

The square root of 399914 is about 632.3875394092. The cubic root of 399914 is about 73.6753491492.

The spelling of 399914 in words is "three hundred ninety-nine thousand, nine hundred fourteen".