608831969 has 4 divisors (see below), whose sum is σ = 622990896. Its totient is φ = 594673044.

The previous prime is 608831957. The next prime is 608831981. The reversal of 608831969 is 969138806.

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, and also an emirpimes, since its reverse is a distinct semiprime: 969138806 = 2 ⋅484569403.

It is an interprime number because it is at equal distance from previous prime (608831957) and next prime (608831981).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-608831969 is a prime.

It is a super-2 number, since 2×608831969² = 741352732952833922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (608831869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7079399 + ... + 7079484.

It is an arithmetic number, because the mean of its divisors is an integer number (155747724).

Almost surely, 2^608831969 is an apocalyptic number.

It is an amenable number.

608831969 is a deficient number, since it is larger than the sum of its proper divisors (14158927).

608831969 is a wasteful number, since it uses less digits than its factorization.

608831969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158926.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 608831969 is about 24674.5206437734. The cubic root of 608831969 is about 847.5509523466.

The spelling of 608831969 in words is "six hundred eight million, eight hundred thirty-one thousand, nine hundred sixty-nine".