938972852 has 6 divisors (see below), whose sum is σ = 1643202498. Its totient is φ = 469486424.

The previous prime is 938972851. The next prime is 938972869. The reversal of 938972852 is 258279839.

It can be written as a sum of positive squares in only one way, i.e., 904445476 + 34527376 = 30074^2 + 5876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 938972794 and 938972803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938972851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117371603 + ... + 117371610.

It is an arithmetic number, because the mean of its divisors is an integer number (273867083).

Almost surely, 2^938972852 is an apocalyptic number.

It is an amenable number.

938972852 is a deficient number, since it is larger than the sum of its proper divisors (704229646).

938972852 is a wasteful number, since it uses less digits than its factorization.

938972852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234743217 (or 234743215 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 938972852 is about 30642.6639181387. The cubic root of 938972852 is about 979.2291772890.

The spelling of 938972852 in words is "nine hundred thirty-eight million, nine hundred seventy-two thousand, eight hundred fifty-two".