945999872 has 52 divisors (see below), whose sum is σ = 1912074276. Its totient is φ = 467927040.

The previous prime is 945999869. The next prime is 945999877. The reversal of 945999872 is 278999549.

It can be written as a sum of positive squares in 2 ways, for example, as 131239936 + 814759936 = 11456^2 + 28544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945999877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396122 + ... + 398502.

Almost surely, 2^945999872 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 945999872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956037138).

945999872 is an abundant number, since it is smaller than the sum of its proper divisors (966074404).

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

945999872 is an equidigital number, since it uses as much as digits as its factorization.

945999872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502 (or 2480 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 62.

The square root of 945999872 is about 30757.1109176398. The cubic root of 945999872 is about 981.6658713393.

The spelling of 945999872 in words is "nine hundred forty-five million, nine hundred ninety-nine thousand, eight hundred seventy-two".