8904349 has 4 divisors (see below), whose sum is σ = 8913564. Its totient is φ = 8895136.

The previous prime is 8904341. The next prime is 8904359. The reversal of 8904349 is 9434098.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9434098 = 2 ⋅4717049.

It can be written as a sum of positive squares in 2 ways, for example, as 5555449 + 3348900 = 2357^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 8904349 - 2³ = 8904341 is a prime.

It is a super-2 number, since 2×8904349² = 158574862227602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8904341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (2228391).

Almost surely, 2^8904349 is an apocalyptic number.

It is an amenable number.

8904349 is a deficient number, since it is larger than the sum of its proper divisors (9215).

8904349 is a wasteful number, since it uses less digits than its factorization.

8904349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8904349 is about 2984.0155830692. The cubic root of 8904349 is about 207.2688595711.

The spelling of 8904349 in words is "eight million, nine hundred four thousand, three hundred forty-nine".