348440867 has 4 divisors (see below), whose sum is σ = 366779880. Its totient is φ = 330101856.

The previous prime is 348440839. The next prime is 348440879. The reversal of 348440867 is 768044843.

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

It is a cyclic number.

It is not a de Polignac number, because 348440867 - 2⁸ = 348440611 is a prime.

It is a super-2 number, since 2×348440867² = 242822075591423378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348440467) 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, 9169478 + ... + 9169515.

It is an arithmetic number, because the mean of its divisors is an integer number (91694970).

Almost surely, 2^348440867 is an apocalyptic number.

348440867 is a deficient number, since it is larger than the sum of its proper divisors (18339013).

348440867 is a wasteful number, since it uses less digits than its factorization.

348440867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339012.

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

The square root of 348440867 is about 18666.5708420159. The cubic root of 348440867 is about 703.6818701601.

The spelling of 348440867 in words is "three hundred forty-eight million, four hundred forty thousand, eight hundred sixty-seven".