608285491 has 8 divisors (see below), whose sum is σ = 664920000. Its totient is φ = 551873640.

The previous prime is 608285459. The next prime is 608285507. The reversal of 608285491 is 194582806.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 608285491 - 2⁵ = 608285459 is a prime.

It is a super-2 number, since 2×608285491² = 740022477122222162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608285191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49921 + ... + 60898.

It is an arithmetic number, because the mean of its divisors is an integer number (83115000).

Almost surely, 2^608285491 is an apocalyptic number.

608285491 is a deficient number, since it is larger than the sum of its proper divisors (56634509).

608285491 is a wasteful number, since it uses less digits than its factorization.

608285491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111329.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 608285491 is about 24663.4444269246. Note that the first 4 decimals coincide. The cubic root of 608285491 is about 847.2972936364.

The spelling of 608285491 in words is "six hundred eight million, two hundred eighty-five thousand, four hundred ninety-one".