617417949 has 16 divisors (see below), whose sum is σ = 845490240. Its totient is φ = 400617600.

The previous prime is 617417929. The next prime is 617417953. The reversal of 617417949 is 949714716.

617417949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 617417949 - 2¹⁶ = 617352413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 617417898 and 617417907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617417929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (52843140).

Almost surely, 2^617417949 is an apocalyptic number.

It is an amenable number.

617417949 is a deficient number, since it is larger than the sum of its proper divisors (228072291).

617417949 is a wasteful number, since it uses less digits than its factorization.

617417949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34700.

The product of its digits is 381024, while the sum is 48.

The square root of 617417949 is about 24847.8962691009. The cubic root of 617417949 is about 851.5165309589.

The spelling of 617417949 in words is "six hundred seventeen million, four hundred seventeen thousand, nine hundred forty-nine".