9180901 has 8 divisors (see below), whose sum is σ = 9747864. Its totient is φ = 8616960.

The previous prime is 9180883. The next prime is 9180917. The reversal of 9180901 is 1090819.

It is a Cunningham number, because it is equal to 3030²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 9180900 = 1^2 + 3030^2 .

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

It is not a de Polignac number, because 9180901 - 2¹⁵ = 9148133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9180901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9180001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (1218483).

Almost surely, 2^9180901 is an apocalyptic number.

It is an amenable number.

9180901 is a deficient number, since it is larger than the sum of its proper divisors (566963).

9180901 is a wasteful number, since it uses less digits than its factorization.

9180901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 9180901 is about 3030.0001650165. Note that the first 3 decimals coincide. The cubic root of 9180901 is about 209.3928114646.

The spelling of 9180901 in words is "nine million, one hundred eighty thousand, nine hundred one".