349727402 has 8 divisors (see below), whose sum is σ = 527254596. Its totient is φ = 173975872.

The previous prime is 349727381. The next prime is 349727431. The reversal of 349727402 is 204727943.

It is a Cunningham number, because it is equal to 18701²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 349727401 + 1 = 18701^2 + 1^2 .

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

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, 443423 + ... + 444210.

Almost surely, 2^349727402 is an apocalyptic number.

349727402 is a deficient number, since it is larger than the sum of its proper divisors (177527194).

349727402 is a wasteful number, since it uses less digits than its factorization.

349727402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887832.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 349727402 is about 18701.0000267365. Note that the first 4 decimals coincide. The cubic root of 349727402 is about 704.5468657302.

The spelling of 349727402 in words is "three hundred forty-nine million, seven hundred twenty-seven thousand, four hundred two".