614239897 has 8 divisors (see below), whose sum is σ = 619238144. Its totient is φ = 609262128.

The previous prime is 614239891. The next prime is 614239933. The reversal of 614239897 is 798932416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 614239897 - 2³ = 614239889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 614239897.

It is not an unprimeable number, because it can be changed into a prime (614239891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58243 + ... + 67975.

It is an arithmetic number, because the mean of its divisors is an integer number (77404768).

Almost surely, 2^614239897 is an apocalyptic number.

It is an amenable number.

614239897 is a deficient number, since it is larger than the sum of its proper divisors (4998247).

614239897 is a wasteful number, since it uses less digits than its factorization.

614239897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239.

The product of its digits is 653184, while the sum is 49.

The square root of 614239897 is about 24783.8636414906. The cubic root of 614239897 is about 850.0530056911.

The spelling of 614239897 in words is "six hundred fourteen million, two hundred thirty-nine thousand, eight hundred ninety-seven".