909920001 has 8 divisors (see below), whose sum is σ = 1213440544. Its totient is φ = 606506400.

The previous prime is 909919999. The next prime is 909920003. The reversal of 909920001 is 100029909.

It is an interprime number because it is at equal distance from previous prime (909919999) and next prime (909920003).

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

It is not a de Polignac number, because 909920001 - 2¹ = 909919999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (909920003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156 + ... + 42861.

It is an arithmetic number, because the mean of its divisors is an integer number (151680068).

Almost surely, 2^909920001 is an apocalyptic number.

It is an amenable number.

909920001 is a deficient number, since it is larger than the sum of its proper divisors (303520543).

909920001 is a wasteful number, since it uses less digits than its factorization.

909920001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53471.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 909920001 is about 30164.8802583402. The cubic root of 909920001 is about 969.0237107348.

The spelling of 909920001 in words is "nine hundred nine million, nine hundred twenty thousand, one".