938248847 has 4 divisors (see below), whose sum is σ = 942695736. Its totient is φ = 933801960.

The previous prime is 938248837. The next prime is 938248889. The reversal of 938248847 is 748842839.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748842839 = 19 ⋅39412781.

It is a cyclic number.

It is not a de Polignac number, because 938248847 - 2¹⁸ = 937986703 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 (938248837) 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, 2223128 + ... + 2223549.

It is an arithmetic number, because the mean of its divisors is an integer number (235673934).

Almost surely, 2^938248847 is an apocalyptic number.

938248847 is a deficient number, since it is larger than the sum of its proper divisors (4446889).

938248847 is a wasteful number, since it uses less digits than its factorization.

938248847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446888.

The product of its digits is 3096576, while the sum is 53.

The square root of 938248847 is about 30630.8479641031. The cubic root of 938248847 is about 978.9774308848.

The spelling of 938248847 in words is "nine hundred thirty-eight million, two hundred forty-eight thousand, eight hundred forty-seven".