349741646 has 8 divisors (see below), whose sum is σ = 555472080. Its totient is φ = 164584288.

The previous prime is 349741619. The next prime is 349741681. The reversal of 349741646 is 646147943.

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

It is a junction number, because it is equal to n+sod(n) for n = 349741597 and 349741606.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 5143226 + ... + 5143293.

It is an arithmetic number, because the mean of its divisors is an integer number (69434010).

Almost surely, 2^349741646 is an apocalyptic number.

349741646 is a deficient number, since it is larger than the sum of its proper divisors (205730434).

349741646 is a wasteful number, since it uses less digits than its factorization.

349741646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286538.

The product of its digits is 435456, while the sum is 44.

The square root of 349741646 is about 18701.3808581078. The cubic root of 349741646 is about 704.5564307317.

The spelling of 349741646 in words is "three hundred forty-nine million, seven hundred forty-one thousand, six hundred forty-six".