920887601 has 4 divisors (see below), whose sum is σ = 921293604. Its totient is φ = 920481600.

The previous prime is 920887529. The next prime is 920887621. The reversal of 920887601 is 106788029.

920887601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106788029 = 827 ⋅129127.

It can be written as a sum of positive squares in 2 ways, for example, as 659256976 + 261630625 = 25676^2 + 16175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920887601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920887621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199580 + ... + 204141.

It is an arithmetic number, because the mean of its divisors is an integer number (230323401).

Almost surely, 2^920887601 is an apocalyptic number.

It is an amenable number.

920887601 is a deficient number, since it is larger than the sum of its proper divisors (406003).

920887601 is a wasteful number, since it uses less digits than its factorization.

920887601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406002.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 920887601 is about 30346.1299179978. The cubic root of 920887601 is about 972.9015049653.

The spelling of 920887601 in words is "nine hundred twenty million, eight hundred eighty-seven thousand, six hundred one".