920955945 has 32 divisors (see below), whose sum is σ = 1813577472. Its totient is φ = 388622592.

The previous prime is 920955941. The next prime is 920955953. The reversal of 920955945 is 549559029.

It is a happy number.

920955945 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 920955945 - 2² = 920955941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920955894 and 920955903.

It is not an unprimeable number, because it can be changed into a prime (920955941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335982 + ... + 338711.

It is an arithmetic number, because the mean of its divisors is an integer number (56674296).

Almost surely, 2^920955945 is an apocalyptic number.

It is an amenable number.

920955945 is a deficient number, since it is larger than the sum of its proper divisors (892621527).

920955945 is a wasteful number, since it uses less digits than its factorization.

920955945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674721.

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 920955945 is about 30347.2559715042. The cubic root of 920955945 is about 972.9255724467.

The spelling of 920955945 in words is "nine hundred twenty million, nine hundred fifty-five thousand, nine hundred forty-five".