921750048 has 54 divisors (see below), whose sum is σ = 2622692709. Its totient is φ = 307078272.

The previous prime is 921750043. The next prime is 921750101. The reversal of 921750048 is 840057129.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 671224464 + 250525584 = 25908^2 + 15828^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21468.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 921749994 and 921750021.

It is not an unprimeable number, because it can be changed into a prime (921750043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 514338 + ... + 516126.

Almost surely, 2^921750048 is an apocalyptic number.

It is an amenable number.

921750048 is an abundant number, since it is smaller than the sum of its proper divisors (1700942661).

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

921750048 is an equidigital number, since it uses as much as digits as its factorization.

921750048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 921750048 is about 30360.3367570256. The cubic root of 921750048 is about 973.2051302131.

The spelling of 921750048 in words is "nine hundred twenty-one million, seven hundred fifty thousand, forty-eight".