614385890 has 24 divisors (see below), whose sum is σ = 1156077468. Its totient is φ = 235067360.

The previous prime is 614385887. The next prime is 614385901. The reversal of 614385890 is 98583416.

It can be written as a sum of positive squares in 2 ways, for example, as 582112129 + 32273761 = 24127^2 + 5681^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52781 + ... + 63360.

Almost surely, 2^614385890 is an apocalyptic number.

614385890 is a deficient number, since it is larger than the sum of its proper divisors (541691578).

614385890 is a wasteful number, since it uses less digits than its factorization.

614385890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116194 (or 116171 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 614385890 is about 24786.8087901609. The cubic root of 614385890 is about 850.1203474350.

The spelling of 614385890 in words is "six hundred fourteen million, three hundred eighty-five thousand, eight hundred ninety".