9354238638 has 16 divisors (see below), whose sum is σ = 19106530560. Its totient is φ = 3051737336.

The previous prime is 9354238577. The next prime is 9354238639. The reversal of 9354238638 is 8368324539.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9354238639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16585248 + ... + 16585811.

It is an arithmetic number, because the mean of its divisors is an integer number (1194158160).

Almost surely, 2^9354238638 is an apocalyptic number.

9354238638 is an abundant number, since it is smaller than the sum of its proper divisors (9752291922).

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

9354238638 is a wasteful number, since it uses less digits than its factorization.

9354238638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33171111.

The product of its digits is 3732480, while the sum is 51.

The square root of 9354238638 is about 96717.3130209892. The cubic root of 9354238638 is about 2107.0239963233.

The spelling of 9354238638 in words is "nine billion, three hundred fifty-four million, two hundred thirty-eight thousand, six hundred thirty-eight".