348423146 has 4 divisors (see below), whose sum is σ = 522634722. Its totient is φ = 174211572.

The previous prime is 348423077. The next prime is 348423157. The reversal of 348423146 is 641324843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641324843 = 349 ⋅1837607.

It can be written as a sum of positive squares in only one way, i.e., 297942121 + 50481025 = 17261^2 + 7105^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87105785 + ... + 87105788.

Almost surely, 2^348423146 is an apocalyptic number.

348423146 is a deficient number, since it is larger than the sum of its proper divisors (174211576).

348423146 is a wasteful number, since it uses less digits than its factorization.

348423146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174211575.

The product of its digits is 55296, while the sum is 35.

The square root of 348423146 is about 18666.0961639010. The cubic root of 348423146 is about 703.6699406775.

Adding to 348423146 its reverse (641324843), we get a palindrome (989747989).

The spelling of 348423146 in words is "three hundred forty-eight million, four hundred twenty-three thousand, one hundred forty-six".