538187396 has 12 divisors (see below), whose sum is σ = 982777152. Its totient is φ = 257393928.

The previous prime is 538187389. The next prime is 538187401. The reversal of 538187396 is 693781835.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2924840 + ... + 2925023.

It is an arithmetic number, because the mean of its divisors is an integer number (81898096).

Almost surely, 2^538187396 is an apocalyptic number.

It is an amenable number.

538187396 is a deficient number, since it is larger than the sum of its proper divisors (444589756).

538187396 is a wasteful number, since it uses less digits than its factorization.

538187396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849890 (or 5849888 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 538187396 is about 23198.8662654019. The cubic root of 538187396 is about 813.4131220807.

The spelling of 538187396 in words is "five hundred thirty-eight million, one hundred eighty-seven thousand, three hundred ninety-six".