614239940 has 24 divisors (see below), whose sum is σ = 1290374232. Its totient is φ = 245606400.

The previous prime is 614239939. The next prime is 614239943. The reversal of 614239940 is 49932416.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 614147524 = 304^2 + 24782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 614239894 and 614239903.

It is not an unprimeable number, because it can be changed into a prime (614239943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92822 + ... + 99218.

It is an arithmetic number, because the mean of its divisors is an integer number (53765593).

Almost surely, 2^614239940 is an apocalyptic number.

It is an amenable number.

614239940 is an abundant number, since it is smaller than the sum of its proper divisors (676134292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614239940 is a wasteful number, since it uses less digits than its factorization.

614239940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207 (or 11205 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 614239940 is about 24783.8645089905. The cubic root of 614239940 is about 850.0530255271.

The spelling of 614239940 in words is "six hundred fourteen million, two hundred thirty-nine thousand, nine hundred forty".