999461232 has 360 divisors, whose sum is σ = 3616554240. Its totient is φ = 254741760.

The previous prime is 999461143. The next prime is 999461233. The reversal of 999461232 is 232164999.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999461233) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6131583 + ... + 6131745.

It is an arithmetic number, because the mean of its divisors is an integer number (10045984).

Almost surely, 2^999461232 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 999461232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808277120).

999461232 is an abundant number, since it is smaller than the sum of its proper divisors (2617093008).

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

999461232 is a wasteful number, since it uses less digits than its factorization.

999461232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 265 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 999461232 is about 31614.2567839258. The cubic root of 999461232 is about 999.8203784047.

The spelling of 999461232 in words is "nine hundred ninety-nine million, four hundred sixty-one thousand, two hundred thirty-two".