920857746 has 32 divisors (see below), whose sum is σ = 1883139840. Its totient is φ = 300064256.

The previous prime is 920857723. The next prime is 920857757. The reversal of 920857746 is 647758029.

920857746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 920857695 and 920857704.

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, 345250 + ... + 347906.

It is an arithmetic number, because the mean of its divisors is an integer number (58848120).

Almost surely, 2^920857746 is an apocalyptic number.

920857746 is an abundant number, since it is smaller than the sum of its proper divisors (962282094).

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

920857746 is a wasteful number, since it uses less digits than its factorization.

920857746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 920857746 is about 30345.6380061451. The cubic root of 920857746 is about 972.8909910914.

The spelling of 920857746 in words is "nine hundred twenty million, eight hundred fifty-seven thousand, seven hundred forty-six".