608042649 has 16 divisors (see below), whose sum is σ = 842031104. Its totient is φ = 389869200.

The previous prime is 608042647. The next prime is 608042671. The reversal of 608042649 is 946240806.

It is not a de Polignac number, because 608042649 - 2¹ = 608042647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608042641) 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, 4897 + ... + 35214.

It is an arithmetic number, because the mean of its divisors is an integer number (52626944).

Almost surely, 2^608042649 is an apocalyptic number.

It is an amenable number.

608042649 is a deficient number, since it is larger than the sum of its proper divisors (233988455).

608042649 is a wasteful number, since it uses less digits than its factorization.

608042649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40308.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 608042649 is about 24658.5208193841. The cubic root of 608042649 is about 847.1845249010.

The spelling of 608042649 in words is "six hundred eight million, forty-two thousand, six hundred forty-nine".