614399 has 4 divisors (see below), whose sum is σ = 641136. Its totient is φ = 587664.

The previous prime is 614387. The next prime is 614413. The reversal of 614399 is 993416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 614399 - 2⁸ = 614143 is a prime.

It is a super-2 number, since 2×614399² = 754972262402, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214399) 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, 13334 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (160284).

2⁶¹⁴³⁹⁹ is an apocalyptic number.

614399 is a deficient number, since it is larger than the sum of its proper divisors (26737).

614399 is a wasteful number, since it uses less digits than its factorization.

614399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736.

The product of its digits is 5832, while the sum is 32.

The square root of 614399 is about 783.8360798024. The cubic root of 614399 is about 85.0126394123.

The spelling of 614399 in words is "six hundred fourteen thousand, three hundred ninety-nine".