248690867 has 4 divisors (see below), whose sum is σ = 261779880. Its totient is φ = 235601856.

The previous prime is 248690861. The next prime is 248690891. The reversal of 248690867 is 768096842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248690867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248690861) 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, 6544478 + ... + 6544515.

It is an arithmetic number, because the mean of its divisors is an integer number (65444970).

Almost surely, 2^248690867 is an apocalyptic number.

248690867 is a deficient number, since it is larger than the sum of its proper divisors (13089013).

248690867 is a wasteful number, since it uses less digits than its factorization.

248690867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089012.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 248690867 is about 15769.9355420369. The cubic root of 248690867 is about 628.8589971598.

The spelling of 248690867 in words is "two hundred forty-eight million, six hundred ninety thousand, eight hundred sixty-seven".