614409 has 4 divisors (see below), whose sum is σ = 819216. Its totient is φ = 409604.

The previous prime is 614387. The next prime is 614413. The reversal of 614409 is 904416.

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 614409 - 2⁵ = 614377 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614409.

It is not an unprimeable number, because it can be changed into a prime (614609) 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, 102399 + ... + 102404.

It is an arithmetic number, because the mean of its divisors is an integer number (204804).

2⁶¹⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

614409 is a deficient number, since it is larger than the sum of its proper divisors (204807).

614409 is a wasteful number, since it uses less digits than its factorization.

614409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204806.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 614409 is about 783.8424586612. The cubic root of 614409 is about 85.0131006336.

The spelling of 614409 in words is "six hundred fourteen thousand, four hundred nine".