348509742 has 32 divisors (see below), whose sum is σ = 838521600. Its totient is φ = 94333248.

The previous prime is 348509713. The next prime is 348509743. The reversal of 348509742 is 247905843.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 348509694 and 348509703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348509743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217567 + ... + 219162.

It is an arithmetic number, because the mean of its divisors is an integer number (26203800).

Almost surely, 2^348509742 is an apocalyptic number.

348509742 is an abundant number, since it is smaller than the sum of its proper divisors (490011858).

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

348509742 is a wasteful number, since it uses less digits than its factorization.

348509742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436760.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 348509742 is about 18668.4156263996. The cubic root of 348509742 is about 703.7282318247.

The spelling of 348509742 in words is "three hundred forty-eight million, five hundred nine thousand, seven hundred forty-two".