523994958 has 48 divisors (see below), whose sum is σ = 1197315600. Its totient is φ = 165162240.

The previous prime is 523994951. The next prime is 523994971. The reversal of 523994958 is 859499325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523994951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241398 + ... + 243558.

It is an arithmetic number, because the mean of its divisors is an integer number (24944075).

Almost surely, 2^523994958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523994958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598657800).

523994958 is an abundant number, since it is smaller than the sum of its proper divisors (673320642).

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

523994958 is a wasteful number, since it uses less digits than its factorization.

523994958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2894 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 523994958 is about 22890.9361538579. The cubic root of 523994958 is about 806.1992120883.

The spelling of 523994958 in words is "five hundred twenty-three million, nine hundred ninety-four thousand, nine hundred fifty-eight".