614438947 has 4 divisors (see below), whose sum is σ = 614605320. Its totient is φ = 614272576.

The previous prime is 614438917. The next prime is 614438953. The reversal of 614438947 is 749834416.

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

It is a cyclic number.

It is not a de Polignac number, because 614438947 - 2⁷ = 614438819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 614438897 and 614438906.

It is not an unprimeable number, because it can be changed into a prime (614438917) 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, 77518 + ... + 85075.

It is an arithmetic number, because the mean of its divisors is an integer number (153651330).

Almost surely, 2^614438947 is an apocalyptic number.

614438947 is a deficient number, since it is larger than the sum of its proper divisors (166373).

614438947 is a wasteful number, since it uses less digits than its factorization.

614438947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166372.

The product of its digits is 580608, while the sum is 46.

The square root of 614438947 is about 24787.8790339149. The cubic root of 614438947 is about 850.1448182319.

The spelling of 614438947 in words is "six hundred fourteen million, four hundred thirty-eight thousand, nine hundred forty-seven".