538197708 has 54 divisors (see below), whose sum is σ = 1297822428. Its totient is φ = 173586240.

The previous prime is 538197707. The next prime is 538197719. The reversal of 538197708 is 807791835.

It is not an unprimeable number, because it can be changed into a prime (538197701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2973378 + ... + 2973558.

Almost surely, 2^538197708 is an apocalyptic number.

It is an amenable number.

538197708 is an abundant number, since it is smaller than the sum of its proper divisors (759624720).

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

538197708 is a wasteful number, since it uses less digits than its factorization.

538197708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 538197708 is about 23199.0885165775. The cubic root of 538197708 is about 813.4183172120.

Multiplying 538197708 by its sum of digits (48), we get a square (25833489984 = 160728²).

The spelling of 538197708 in words is "five hundred thirty-eight million, one hundred ninety-seven thousand, seven hundred eight".