9428891952 has 80 divisors (see below), whose sum is σ = 25847988480. Its totient is φ = 2955338496.

The previous prime is 9428891897. The next prime is 9428891993. The reversal of 9428891952 is 2591988249.

It is a junction number, because it is equal to n+sod(n) for n = 9428891892 and 9428891901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7243 + ... + 137514.

It is an arithmetic number, because the mean of its divisors is an integer number (323099856).

Almost surely, 2^9428891952 is an apocalyptic number.

9428891952 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9428891952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12923994240).

9428891952 is an abundant number, since it is smaller than the sum of its proper divisors (16419096528).

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

9428891952 is a wasteful number, since it uses less digits than its factorization.

9428891952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144850 (or 144844 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 9428891952 is about 97102.4816984612. The cubic root of 9428891952 is about 2112.6143221256.

The spelling of 9428891952 in words is "nine billion, four hundred twenty-eight million, eight hundred ninety-one thousand, nine hundred fifty-two".