617419842 has 32 divisors (see below), whose sum is σ = 1334780160. Its totient is φ = 189267840.

The previous prime is 617419799. The next prime is 617419879. The reversal of 617419842 is 248914716.

It is a super-2 number, since 2×617419842² = 762414522590609928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 617419794 and 617419803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6534 + ... + 35742.

It is an arithmetic number, because the mean of its divisors is an integer number (41711880).

Almost surely, 2^617419842 is an apocalyptic number.

617419842 is an abundant number, since it is smaller than the sum of its proper divisors (717360318).

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

617419842 is a wasteful number, since it uses less digits than its factorization.

617419842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29498.

The product of its digits is 96768, while the sum is 42.

The square root of 617419842 is about 24847.9343608277. The cubic root of 617419842 is about 851.5174012064.

The spelling of 617419842 in words is "six hundred seventeen million, four hundred nineteen thousand, eight hundred forty-two".