348520442 has 4 divisors (see below), whose sum is σ = 522780666. Its totient is φ = 174260220.

The previous prime is 348520433. The next prime is 348520481. The reversal of 348520442 is 244025843.

348520442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 286252561 + 62267881 = 16919^2 + 7891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 348520399 and 348520408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87130109 + ... + 87130112.

Almost surely, 2^348520442 is an apocalyptic number.

348520442 is a deficient number, since it is larger than the sum of its proper divisors (174260224).

348520442 is a wasteful number, since it uses less digits than its factorization.

348520442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174260223.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 348520442 is about 18668.7022044919. The cubic root of 348520442 is about 703.7354337420.

The spelling of 348520442 in words is "three hundred forty-eight million, five hundred twenty thousand, four hundred forty-two".