9438157 has 4 divisors (see below), whose sum is σ = 9510336. Its totient is φ = 9365980.

The previous prime is 9438151. The next prime is 9438173. The reversal of 9438157 is 7518349.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7518349 = 401 ⋅18749.

It is a cyclic number.

It is not a de Polignac number, because 9438157 - 2²³ = 1049549 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 (9438151) 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, 35893 + ... + 36154.

It is an arithmetic number, because the mean of its divisors is an integer number (2377584).

Almost surely, 2^9438157 is an apocalyptic number.

It is an amenable number.

9438157 is a deficient number, since it is larger than the sum of its proper divisors (72179).

9438157 is a wasteful number, since it uses less digits than its factorization.

9438157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72178.

The product of its digits is 30240, while the sum is 37.

The square root of 9438157 is about 3072.1583618036. The cubic root of 9438157 is about 211.3306063551.

The spelling of 9438157 in words is "nine million, four hundred thirty-eight thousand, one hundred fifty-seven".