348147538 has 4 divisors (see below), whose sum is σ = 522221310. Its totient is φ = 174073768.

The previous prime is 348147533. The next prime is 348147559. The reversal of 348147538 is 835741843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835741843 = 269 ⋅3106847.

It can be written as a sum of positive squares in only one way, i.e., 313537849 + 34609689 = 17707^2 + 5883^2 .

It is a super-2 number, since 2×348147538² = 242413416430922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348147494 and 348147503.

It is not an unprimeable number, because it can be changed into a prime (348147533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87036883 + ... + 87036886.

Almost surely, 2^348147538 is an apocalyptic number.

348147538 is a deficient number, since it is larger than the sum of its proper divisors (174073772).

348147538 is a wasteful number, since it uses less digits than its factorization.

348147538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174073771.

The product of its digits is 322560, while the sum is 43.

The square root of 348147538 is about 18658.7121206154. The cubic root of 348147538 is about 703.4843538650.

The spelling of 348147538 in words is "three hundred forty-eight million, one hundred forty-seven thousand, five hundred thirty-eight".