349178542 has 8 divisors (see below), whose sum is σ = 551334600. Its totient is φ = 165400344.

The previous prime is 349178539. The next prime is 349178551. The reversal of 349178542 is 245871943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4594417 + ... + 4594492.

It is an arithmetic number, because the mean of its divisors is an integer number (68916825).

Almost surely, 2^349178542 is an apocalyptic number.

349178542 is a deficient number, since it is larger than the sum of its proper divisors (202156058).

349178542 is a wasteful number, since it uses less digits than its factorization.

349178542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188930.

The product of its digits is 241920, while the sum is 43.

The square root of 349178542 is about 18686.3196483417. The cubic root of 349178542 is about 704.1781022679.

The spelling of 349178542 in words is "three hundred forty-nine million, one hundred seventy-eight thousand, five hundred forty-two".