9049509 has 16 divisors (see below), whose sum is σ = 15322240. Its totient is φ = 5171040.

The previous prime is 9049493. The next prime is 9049517. The reversal of 9049509 is 9059409.

It is not a de Polignac number, because 9049509 - 2⁴ = 9049493 is a prime.

It is a super-2 number, since 2×9049509² = 163787226282162, which contains 22 as substring.

It is a Duffinian number.

9049509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23752 + ... + 24129.

It is an arithmetic number, because the mean of its divisors is an integer number (957640).

Almost surely, 2^9049509 is an apocalyptic number.

It is an amenable number.

9049509 is a deficient number, since it is larger than the sum of its proper divisors (6272731).

9049509 is a wasteful number, since it uses less digits than its factorization.

9049509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47897 (or 47891 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9049509 is about 3008.2401832301. The cubic root of 9049509 is about 208.3891030783.

The spelling of 9049509 in words is "nine million, forty-nine thousand, five hundred nine".