608689947 has 32 divisors (see below), whose sum is σ = 910033920. Its totient is φ = 359631360.

The previous prime is 608689943. The next prime is 608689951. The reversal of 608689947 is 749986806.

It is an interprime number because it is at equal distance from previous prime (608689943) and next prime (608689951).

It is not a de Polignac number, because 608689947 - 2² = 608689943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (608689943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165822 + ... + 169452.

It is an arithmetic number, because the mean of its divisors is an integer number (28438560).

Almost surely, 2^608689947 is an apocalyptic number.

608689947 is a deficient number, since it is larger than the sum of its proper divisors (301343973).

608689947 is a wasteful number, since it uses less digits than its factorization.

608689947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 608689947 is about 24671.6425679362. The cubic root of 608689947 is about 847.4850445930.

The spelling of 608689947 in words is "six hundred eight million, six hundred eighty-nine thousand, nine hundred forty-seven".