231490602 has 96 divisors (see below), whose sum is σ = 605750400. Its totient is φ = 65330496.

The previous prime is 231490577. The next prime is 231490631. The reversal of 231490602 is 206094132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235003 + ... + 235985.

It is an arithmetic number, because the mean of its divisors is an integer number (6309900).

Almost surely, 2^231490602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231490602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302875200).

231490602 is an abundant number, since it is smaller than the sum of its proper divisors (374259798).

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

231490602 is a wasteful number, since it uses less digits than its factorization.

231490602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 231490602 is about 15214.8152141260. The cubic root of 231490602 is about 614.0133137341.

The spelling of 231490602 in words is "two hundred thirty-one million, four hundred ninety thousand, six hundred two".