9049281 has 8 divisors (see below), whose sum is σ = 12590400. Its totient is φ = 5770512.

The previous prime is 9049277. The next prime is 9049283. The reversal of 9049281 is 1829409.

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

It is not a de Polignac number, because 9049281 - 2² = 9049277 is a prime.

It is a super-2 number, since 2×9049281² = 163778973233922, which contains 22 as substring.

9049281 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65506 + ... + 65643.

It is an arithmetic number, because the mean of its divisors is an integer number (1573800).

Almost surely, 2^9049281 is an apocalyptic number.

It is an amenable number.

9049281 is a deficient number, since it is larger than the sum of its proper divisors (3541119).

9049281 is a wasteful number, since it uses less digits than its factorization.

9049281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131175.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9049281 is about 3008.2022870811. The cubic root of 9049281 is about 208.3873529607.

The spelling of 9049281 in words is "nine million, forty-nine thousand, two hundred eighty-one".