9020409 has 8 divisors (see below), whose sum is σ = 12049632. Its totient is φ = 6002400.

The previous prime is 9020371. The next prime is 9020413. The reversal of 9020409 is 9040209.

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

It is not a de Polignac number, because 9020409 - 2⁷ = 9020281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9020419) 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, 699 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (1506204).

Almost surely, 2^9020409 is an apocalyptic number.

It is an amenable number.

9020409 is a deficient number, since it is larger than the sum of its proper divisors (3029223).

9020409 is a wasteful number, since it uses less digits than its factorization.

9020409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9020409 is about 3003.3995738163. The cubic root of 9020409 is about 208.1654948303.

The spelling of 9020409 in words is "nine million, twenty thousand, four hundred nine".