231675648 has 144 divisors (see below), whose sum is σ = 656173056. Its totient is φ = 72437760.

The previous prime is 231675641. The next prime is 231675671. The reversal of 231675648 is 846576132.

Its product of digits (241920) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231675641) 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 15 ways as a sum of consecutive naturals, for example, 880765 + ... + 881027.

Almost surely, 2^231675648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231675648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328086528).

231675648 is an abundant number, since it is smaller than the sum of its proper divisors (424497408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231675648 is a wasteful number, since it uses less digits than its factorization.

231675648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 336 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 231675648 is about 15220.8951116549. The cubic root of 231675648 is about 614.1768775321.

The spelling of 231675648 in words is "two hundred thirty-one million, six hundred seventy-five thousand, six hundred forty-eight".