348665590 has 48 divisors (see below), whose sum is σ = 776698848. Its totient is φ = 110343168.

The previous prime is 348665573. The next prime is 348665591. The reversal of 348665590 is 95566843.

It is a self number, because there is not a number n which added to its sum of digits gives 348665590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348665591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2907 + ... + 26566.

It is an arithmetic number, because the mean of its divisors is an integer number (16181226).

Almost surely, 2^348665590 is an apocalyptic number.

348665590 is an abundant number, since it is smaller than the sum of its proper divisors (428033258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348665590 is a wasteful number, since it uses less digits than its factorization.

348665590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29513 (or 29500 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 348665590 is about 18672.5892687651. The cubic root of 348665590 is about 703.8331148739.

The spelling of 348665590 in words is "three hundred forty-eight million, six hundred sixty-five thousand, five hundred ninety".