348819309 has 12 divisors (see below), whose sum is σ = 530368800. Its totient is φ = 220306824.

The previous prime is 348819299. The next prime is 348819319. The reversal of 348819309 is 903918843.

It is an interprime number because it is at equal distance from previous prime (348819299) and next prime (348819319).

It is not a de Polignac number, because 348819309 - 2¹⁶ = 348753773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348819319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019769 + ... + 1020110.

It is an arithmetic number, because the mean of its divisors is an integer number (44197400).

Almost surely, 2^348819309 is an apocalyptic number.

It is an amenable number.

348819309 is a deficient number, since it is larger than the sum of its proper divisors (181549491).

348819309 is a wasteful number, since it uses less digits than its factorization.

348819309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039904 (or 2039901 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 348819309 is about 18676.7049824106. The cubic root of 348819309 is about 703.9365345304.

The spelling of 348819309 in words is "three hundred forty-eight million, eight hundred nineteen thousand, three hundred nine".