617342444 has 24 divisors (see below), whose sum is σ = 1098736128. Its totient is φ = 303443280.

The previous prime is 617342441. The next prime is 617342461. The reversal of 617342444 is 444243716.

It is a super-2 number, since 2×617342444² = 762223386327786272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (617342441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101267 + ... + 107189.

It is an arithmetic number, because the mean of its divisors is an integer number (45780672).

Almost surely, 2^617342444 is an apocalyptic number.

It is an amenable number.

617342444 is a deficient number, since it is larger than the sum of its proper divisors (481393684).

617342444 is a wasteful number, since it uses less digits than its factorization.

617342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365 (or 6363 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 617342444 is about 24846.3768787322. The cubic root of 617342444 is about 851.4818184508.

The spelling of 617342444 in words is "six hundred seventeen million, three hundred forty-two thousand, four hundred forty-four".