920449275 has 24 divisors (see below), whose sum is σ = 1611329904. Its totient is φ = 462028800.

The previous prime is 920449273. The next prime is 920449279. The reversal of 920449275 is 572944029.

It is not a de Polignac number, because 920449275 - 2¹ = 920449273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (920449273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359686 + ... + 362235.

It is an arithmetic number, because the mean of its divisors is an integer number (67138746).

Almost surely, 2^920449275 is an apocalyptic number.

920449275 is a deficient number, since it is larger than the sum of its proper divisors (690880629).

920449275 is a wasteful number, since it uses less digits than its factorization.

920449275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721951 (or 721946 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 920449275 is about 30338.9069513059. The cubic root of 920449275 is about 972.7471192390.

The spelling of 920449275 in words is "nine hundred twenty million, four hundred forty-nine thousand, two hundred seventy-five".