9011801 has 4 divisors (see below), whose sum is σ = 9042852. Its totient is φ = 8980752.

The previous prime is 9011771. The next prime is 9011803. The reversal of 9011801 is 1081109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1081109 = 229 ⋅4721.

It can be written as a sum of positive squares in 2 ways, for example, as 6528025 + 2483776 = 2555^2 + 1576^2 .

It is a cyclic number.

It is not a de Polignac number, because 9011801 - 2²² = 4817497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9011803) 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, 15086 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (2260713).

Almost surely, 2^9011801 is an apocalyptic number.

It is an amenable number.

9011801 is a deficient number, since it is larger than the sum of its proper divisors (31051).

9011801 is a wasteful number, since it uses less digits than its factorization.

9011801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31050.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 9011801 is about 3001.9661890168. The cubic root of 9011801 is about 208.0992576686.

It can be divided in two parts, 901 and 1801, that multiplied together give a triangular number (1622701 = T₁₈₀₁).

The spelling of 9011801 in words is "nine million, eleven thousand, eight hundred one".