348644087 has 4 divisors (see below), whose sum is σ = 380339016. Its totient is φ = 316949160.

The previous prime is 348644077. The next prime is 348644113. The reversal of 348644087 is 780446843.

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

It is not a de Polignac number, because 348644087 - 2²⁰ = 347595511 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 (348644077) 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, 15847448 + ... + 15847469.

It is an arithmetic number, because the mean of its divisors is an integer number (95084754).

Almost surely, 2^348644087 is an apocalyptic number.

348644087 is a deficient number, since it is larger than the sum of its proper divisors (31694929).

348644087 is a wasteful number, since it uses less digits than its factorization.

348644087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31694928.

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 348644087 is about 18672.0134693610. The cubic root of 348644087 is about 703.8186455801.

The spelling of 348644087 in words is "three hundred forty-eight million, six hundred forty-four thousand, eighty-seven".