614398069 has 4 divisors (see below), whose sum is σ = 617081260. Its totient is φ = 611714880.

The previous prime is 614398067. The next prime is 614398087. The reversal of 614398069 is 960893416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 487835569 + 126562500 = 22087^2 + 11250^2 .

It is a cyclic number.

It is not a de Polignac number, because 614398069 - 2¹ = 614398067 is a prime.

It is a super-2 number, since 2×614398069² = 754969974381857522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614398067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341252 + ... + 1341709.

It is an arithmetic number, because the mean of its divisors is an integer number (154270315).

Almost surely, 2^614398069 is an apocalyptic number.

It is an amenable number.

614398069 is a deficient number, since it is larger than the sum of its proper divisors (2683191).

614398069 is a wasteful number, since it uses less digits than its factorization.

614398069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683190.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 614398069 is about 24787.0544639737. The cubic root of 614398069 is about 850.1259647229.

The spelling of 614398069 in words is "six hundred fourteen million, three hundred ninety-eight thousand, sixty-nine".