9049621 has 8 divisors (see below), whose sum is σ = 10367424. Its totient is φ = 7738080.

The previous prime is 9049619. The next prime is 9049631. The reversal of 9049621 is 1269409.

It is a happy number.

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

It is not a de Polignac number, because 9049621 - 2¹ = 9049619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049631) 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, 2121 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (1295928).

Almost surely, 2^9049621 is an apocalyptic number.

It is an amenable number.

9049621 is a deficient number, since it is larger than the sum of its proper divisors (1317803).

9049621 is a wasteful number, since it uses less digits than its factorization.

9049621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9049621 is about 3008.2587987073. The cubic root of 9049621 is about 208.3899627744.

Adding to 9049621 its product of nonzero digits (3888), we get a palindrome (9053509).

The spelling of 9049621 in words is "nine million, forty-nine thousand, six hundred twenty-one".