690230268 has 288 divisors, whose sum is σ = 2288025600. Its totient is φ = 178319232.

The previous prime is 690230267. The next prime is 690230291. The reversal of 690230268 is 862032096.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690230267) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5434821 + ... + 5434947.

Almost surely, 2^690230268 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 690230268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144012800).

690230268 is an abundant number, since it is smaller than the sum of its proper divisors (1597795332).

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

690230268 is a wasteful number, since it uses less digits than its factorization.

690230268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 690230268 is about 26272.2337839781. The cubic root of 690230268 is about 883.7538796680.

The spelling of 690230268 in words is "six hundred ninety million, two hundred thirty thousand, two hundred sixty-eight".