9021836 has 6 divisors (see below), whose sum is σ = 15788220. Its totient is φ = 4510916.

The previous prime is 9021833. The next prime is 9021847. The reversal of 9021836 is 6381209.

It is a junction number, because it is equal to n+sod(n) for n = 9021799 and 9021808.

It is not an unprimeable number, because it can be changed into a prime (9021833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127726 + ... + 1127733.

It is an arithmetic number, because the mean of its divisors is an integer number (2631370).

Almost surely, 2^9021836 is an apocalyptic number.

It is an amenable number.

9021836 is a deficient number, since it is larger than the sum of its proper divisors (6766384).

9021836 is a wasteful number, since it uses less digits than its factorization.

9021836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255463 (or 2255461 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9021836 is about 3003.6371285493. The cubic root of 9021836 is about 208.1764712912.

The spelling of 9021836 in words is "nine million, twenty-one thousand, eight hundred thirty-six".