349826997 has 8 divisors (see below), whose sum is σ = 502315744. Its totient is φ = 215278128.

The previous prime is 349826957. The next prime is 349827001. The reversal of 349826997 is 799628943.

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

It is not a de Polignac number, because 349826997 - 2²³ = 341438389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349826947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484923 + ... + 4485000.

It is an arithmetic number, because the mean of its divisors is an integer number (62789468).

Almost surely, 2^349826997 is an apocalyptic number.

It is an amenable number.

349826997 is a deficient number, since it is larger than the sum of its proper divisors (152488747).

349826997 is a wasteful number, since it uses less digits than its factorization.

349826997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969939.

The product of its digits is 5878656, while the sum is 57.

The square root of 349826997 is about 18703.6626626979. The cubic root of 349826997 is about 704.6137394199.

The spelling of 349826997 in words is "three hundred forty-nine million, eight hundred twenty-six thousand, nine hundred ninety-seven".