617954349 has 4 divisors (see below), whose sum is σ = 823939136. Its totient is φ = 411969564.

The previous prime is 617954329. The next prime is 617954383. The reversal of 617954349 is 943459716.

617954349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 617954349 - 2⁷ = 617954221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 617954298 and 617954307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617954329) 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, 102992389 + ... + 102992394.

It is an arithmetic number, because the mean of its divisors is an integer number (205984784).

Almost surely, 2^617954349 is an apocalyptic number.

It is an amenable number.

617954349 is a deficient number, since it is larger than the sum of its proper divisors (205984787).

617954349 is a wasteful number, since it uses less digits than its factorization.

617954349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205984786.

The product of its digits is 816480, while the sum is 48.

The square root of 617954349 is about 24858.6875960900. The cubic root of 617954349 is about 851.7630529241.

The spelling of 617954349 in words is "six hundred seventeen million, nine hundred fifty-four thousand, three hundred forty-nine".