614389 has 4 divisors (see below), whose sum is σ = 634240. Its totient is φ = 594540.

The previous prime is 614387. The next prime is 614413. The reversal of 614389 is 983416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 614389 - 2¹ = 614387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 19819 = 614389 / (6 + 1 + 4 + 3 + 8 + 9).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

614389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 614389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614387) 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, 9879 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (158560).

2⁶¹⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

614389 is a deficient number, since it is larger than the sum of its proper divisors (19851).

614389 is a wasteful number, since it uses less digits than its factorization.

614389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850.

The product of its digits is 5184, while the sum is 31.

The square root of 614389 is about 783.8297008917. The cubic root of 614389 is about 85.0121781859.

The spelling of 614389 in words is "six hundred fourteen thousand, three hundred eighty-nine".