349948285 has 4 divisors (see below), whose sum is σ = 419937948. Its totient is φ = 279958624.

The previous prime is 349948283. The next prime is 349948297. The reversal of 349948285 is 582849943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225090009 + 124858276 = 15003^2 + 11174^2 .

It is a cyclic number.

It is not a de Polignac number, because 349948285 - 2¹ = 349948283 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 (349948283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34994824 + ... + 34994833.

It is an arithmetic number, because the mean of its divisors is an integer number (104984487).

Almost surely, 2^349948285 is an apocalyptic number.

It is an amenable number.

349948285 is a deficient number, since it is larger than the sum of its proper divisors (69989663).

349948285 is an equidigital number, since it uses as much as digits as its factorization.

349948285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69989662.

The product of its digits is 2488320, while the sum is 52.

The square root of 349948285 is about 18706.9047412981. The cubic root of 349948285 is about 704.6951618726.

The spelling of 349948285 in words is "three hundred forty-nine million, nine hundred forty-eight thousand, two hundred eighty-five".