9542397 has 4 divisors (see below), whose sum is σ = 12723200. Its totient is φ = 6361596.

The previous prime is 9542383. The next prime is 9542417. The reversal of 9542397 is 7932459.

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: 7932459 = 3 ⋅2644153.

It is not a de Polignac number, because 9542397 - 2⁶ = 9542333 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 (9542317) 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, 1590397 + ... + 1590402.

It is an arithmetic number, because the mean of its divisors is an integer number (3180800).

Almost surely, 2^9542397 is an apocalyptic number.

It is an amenable number.

9542397 is a deficient number, since it is larger than the sum of its proper divisors (3180803).

9542397 is a wasteful number, since it uses less digits than its factorization.

9542397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180802.

The product of its digits is 68040, while the sum is 39.

The square root of 9542397 is about 3089.0770466274. The cubic root of 9542397 is about 212.1057752091.

The spelling of 9542397 in words is "nine million, five hundred forty-two thousand, three hundred ninety-seven".