920901 has 8 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 598880.

The previous prime is 920891. The next prime is 920921. The reversal of 920901 is 109029.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920901 - 2⁵ = 920869 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920901.

It is not an unprimeable number, because it can be changed into a prime (920921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2⁹²⁰⁹⁰¹ is an apocalyptic number.

It is an amenable number.

920901 is a deficient number, since it is larger than the sum of its proper divisors (337083).

920901 is a wasteful number, since it uses less digits than its factorization.

920901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 920901 is about 959.6358684418. The cubic root of 920901 is about 97.2906223545.

It can be divided in two parts, 9 and 20901, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 920901 in words is "nine hundred twenty thousand, nine hundred one".