614921 has 4 divisors (see below), whose sum is σ = 617232. Its totient is φ = 612612.

The previous prime is 614917. The next prime is 614927. The reversal of 614921 is 129416.

It is a happy number.

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 614921 - 2² = 614917 is a prime.

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

It is a Duffinian number.

614921 is a modest number, since divided by 921 gives 614 as remainder.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614921.

It is not an unprimeable number, because it can be changed into a prime (614927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (154308).

2⁶¹⁴⁹²¹ is an apocalyptic number.

It is an amenable number.

614921 is a deficient number, since it is larger than the sum of its proper divisors (2311).

614921 is a wasteful number, since it uses less digits than its factorization.

614921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its digits is 432, while the sum is 23.

The square root of 614921 is about 784.1689868899. The cubic root of 614921 is about 85.0367084814.

The spelling of 614921 in words is "six hundred fourteen thousand, nine hundred twenty-one".