9038645 has 32 divisors (see below), whose sum is σ = 14328576. Its totient is φ = 5299200.

The previous prime is 9038629. The next prime is 9038657. The reversal of 9038645 is 5468309.

It is not a de Polignac number, because 9038645 - 2⁴ = 9038629 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5855 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (447768).

Almost surely, 2^9038645 is an apocalyptic number.

It is an amenable number.

9038645 is a deficient number, since it is larger than the sum of its proper divisors (5289931).

9038645 is a wasteful number, since it uses less digits than its factorization.

9038645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 9038645 is about 3006.4339340820. The cubic root of 9038645 is about 208.3056788181.

The spelling of 9038645 in words is "nine million, thirty-eight thousand, six hundred forty-five".