928247945 has 8 divisors (see below), whose sum is σ = 1172523840. Its totient is φ = 703514160.

The previous prime is 928247941. The next prime is 928247951. The reversal of 928247945 is 549742829.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 928247945 - 2² = 928247941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 928247893 and 928247902.

It is not an unprimeable number, because it can be changed into a prime (928247941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885421 + ... + 4885610.

It is an arithmetic number, because the mean of its divisors is an integer number (146565480).

Almost surely, 2^928247945 is an apocalyptic number.

928247945 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

928247945 is a deficient number, since it is larger than the sum of its proper divisors (244275895).

928247945 is a wasteful number, since it uses less digits than its factorization.

928247945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771055.

The product of its digits is 1451520, while the sum is 50.

The square root of 928247945 is about 30467.1617483480. The cubic root of 928247945 is about 975.4866542713.

The spelling of 928247945 in words is "nine hundred twenty-eight million, two hundred forty-seven thousand, nine hundred forty-five".