614421 has 12 divisors (see below), whose sum is σ = 894348. Its totient is φ = 406464.

The previous prime is 614417. The next prime is 614437. The reversal of 614421 is 124416.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 236196 = 615^2 + 486^2 .

It is not a de Polignac number, because 614421 - 2² = 614417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 614394 and 614403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614321) 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 11 ways as a sum of consecutive naturals, for example, 1951 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (74529).

2⁶¹⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

614421 is a deficient number, since it is larger than the sum of its proper divisors (279927).

614421 is a wasteful number, since it uses less digits than its factorization.

614421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 529 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 614421 is about 783.8501132232. The cubic root of 614421 is about 85.0136540926.

Adding to 614421 its reverse (124416), we get a palindrome (738837).

It can be divided in two parts, 614 and 421, that added together give a triangular number (1035 = T₄₅).

The spelling of 614421 in words is "six hundred fourteen thousand, four hundred twenty-one".