9001802 has 4 divisors (see below), whose sum is σ = 13502706. Its totient is φ = 4500900.

The previous prime is 9001799. The next prime is 9001829. The reversal of 9001802 is 2081009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6754801 + 2247001 = 2599^2 + 1499^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2250449 + ... + 2250452.

Almost surely, 2^9001802 is an apocalyptic number.

9001802 is a deficient number, since it is larger than the sum of its proper divisors (4500904).

9001802 is a wasteful number, since it uses less digits than its factorization.

9001802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500903.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 9001802 is about 3000.3003183015. The cubic root of 9001802 is about 208.0222640123.

The spelling of 9001802 in words is "nine million, one thousand, eight hundred two".