231790650 has 96 divisors (see below), whose sum is σ = 707538048. Its totient is φ = 48902400.

The previous prime is 231790639. The next prime is 231790651. The reversal of 231790650 is 56097132.

231790650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231790651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5160 + ... + 22140.

It is an arithmetic number, because the mean of its divisors is an integer number (7370188).

Almost surely, 2^231790650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231790650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353769024).

231790650 is an abundant number, since it is smaller than the sum of its proper divisors (475747398).

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

231790650 is a wasteful number, since it uses less digits than its factorization.

231790650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016 (or 17011 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 231790650 is about 15224.6724102688. The cubic root of 231790650 is about 614.2784849390.

The spelling of 231790650 in words is "two hundred thirty-one million, seven hundred ninety thousand, six hundred fifty".