928744225 has 12 divisors (see below), whose sum is σ = 1212256240. Its totient is φ = 703890000.

The previous prime is 928744217. The next prime is 928744231. The reversal of 928744225 is 522447829.

It is a happy number.

928744225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 928744225 - 2³ = 928744217 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977151 + ... + 978100.

Almost surely, 2^928744225 is an apocalyptic number.

928744225 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

928744225 is a deficient number, since it is larger than the sum of its proper divisors (283512015).

928744225 is a wasteful number, since it uses less digits than its factorization.

928744225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955280 (or 1955275 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 928744225 is about 30475.3051666427. The cubic root of 928744225 is about 975.6604685592.

The spelling of 928744225 in words is "nine hundred twenty-eight million, seven hundred forty-four thousand, two hundred twenty-five".