9137394 has 64 divisors (see below), whose sum is σ = 24238080. Its totient is φ = 2494800.

The previous prime is 9137353. The next prime is 9137419. The reversal of 9137394 is 4937319.

It is a super-2 number, since 2×9137394² = 166983938222472, which contains 22 as substring.

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, 8169 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (378720).

Almost surely, 2^9137394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9137394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12119040).

9137394 is an abundant number, since it is smaller than the sum of its proper divisors (15100686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9137394 is a wasteful number, since it uses less digits than its factorization.

9137394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1086 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 9137394 is about 3022.8122667476. The cubic root of 9137394 is about 209.0615265695.

The spelling of 9137394 in words is "nine million, one hundred thirty-seven thousand, three hundred ninety-four".