608438631 has 8 divisors (see below), whose sum is σ = 814246144. Its totient is φ = 404128440.

The previous prime is 608438609. The next prime is 608438639. The reversal of 608438631 is 136834806.

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

It is not a de Polignac number, because 608438631 - 2⁵ = 608438599 is a prime.

It is a super-2 number, since 2×608438631² = 740395135386308322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 608438631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608438639) 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 7 ways as a sum of consecutive naturals, for example, 373381 + ... + 375006.

It is an arithmetic number, because the mean of its divisors is an integer number (101780768).

Almost surely, 2^608438631 is an apocalyptic number.

608438631 is a deficient number, since it is larger than the sum of its proper divisors (205807513).

608438631 is a wasteful number, since it uses less digits than its factorization.

608438631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748661.

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

The square root of 608438631 is about 24666.5488262951. The cubic root of 608438631 is about 847.3683919513.

The spelling of 608438631 in words is "six hundred eight million, four hundred thirty-eight thousand, six hundred thirty-one".