9381604 has 6 divisors (see below), whose sum is σ = 16417814. Its totient is φ = 4690800.

The previous prime is 9381601. The next prime is 9381607. The reversal of 9381604 is 4061839.

9381604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9381601) and next prime (9381607).

It can be written as a sum of positive squares in only one way, i.e., 9180900 + 200704 = 3030^2 + 448^2 .

It is a super-2 number, since 2×9381604² = 176028987225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9381601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172697 + ... + 1172704.

Almost surely, 2^9381604 is an apocalyptic number.

It is an amenable number.

9381604 is a deficient number, since it is larger than the sum of its proper divisors (7036210).

9381604 is a wasteful number, since it uses less digits than its factorization.

9381604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345405 (or 2345403 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9381604 is about 3062.9404173114. The cubic root of 9381604 is about 210.9076660760.

The spelling of 9381604 in words is "nine million, three hundred eighty-one thousand, six hundred four".