349828406 has 4 divisors (see below), whose sum is σ = 524742612. Its totient is φ = 174914202.

The previous prime is 349828393. The next prime is 349828411. The reversal of 349828406 is 604828943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604828943 = 2111 ⋅286513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87457100 + ... + 87457103.

It is an arithmetic number, because the mean of its divisors is an integer number (131185653).

Almost surely, 2^349828406 is an apocalyptic number.

349828406 is a deficient number, since it is larger than the sum of its proper divisors (174914206).

349828406 is a wasteful number, since it uses less digits than its factorization.

349828406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174914205.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 349828406 is about 18703.7003290793. The cubic root of 349828406 is about 704.6146854107.

The spelling of 349828406 in words is "three hundred forty-nine million, eight hundred twenty-eight thousand, four hundred six".