613949316 has 24 divisors (see below), whose sum is σ = 1443487584. Its totient is φ = 203087040.

The previous prime is 613949311. The next prime is 613949317.

613949316 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (613949311) 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, 193705 + ... + 196848.

It is an arithmetic number, because the mean of its divisors is an integer number (60145316).

Almost surely, 2^613949316 is an apocalyptic number.

It is an amenable number.

613949316 is an abundant number, since it is smaller than the sum of its proper divisors (829538268).

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

613949316 is a wasteful number, since it uses less digits than its factorization.

613949316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390691 (or 390689 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 613949316 is about 24778.0006457341. Note that the first 3 decimals coincide. The cubic root of 613949316 is about 849.9189385211.

It can be divided in two parts, 6139 and 49316, that added together give a palindrome (55455).

The spelling of 613949316 in words is "six hundred thirteen million, nine hundred forty-nine thousand, three hundred sixteen".