617399542 has 8 divisors (see below), whose sum is σ = 932859576. Its totient is φ = 306446352.

The previous prime is 617399539. The next prime is 617399543. The reversal of 617399542 is 245993716.

It is a happy number.

617399542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 617399492 and 617399501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617399543) 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, 1126368 + ... + 1126915.

It is an arithmetic number, because the mean of its divisors is an integer number (116607447).

Almost surely, 2^617399542 is an apocalyptic number.

617399542 is a deficient number, since it is larger than the sum of its proper divisors (315460034).

617399542 is a wasteful number, since it uses less digits than its factorization.

617399542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253422.

The product of its digits is 408240, while the sum is 46.

The square root of 617399542 is about 24847.5258728108. The cubic root of 617399542 is about 851.5080688248.

The spelling of 617399542 in words is "six hundred seventeen million, three hundred ninety-nine thousand, five hundred forty-two".