248902643 has 8 divisors (see below), whose sum is σ = 272939376. Its totient is φ = 225100800.

The previous prime is 248902639. The next prime is 248902649. The reversal of 248902643 is 346209842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248902643 - 2² = 248902639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248902597 and 248902606.

It is not an unprimeable number, because it can be changed into a prime (248902649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56498 + ... + 60743.

It is an arithmetic number, because the mean of its divisors is an integer number (34117422).

Almost surely, 2^248902643 is an apocalyptic number.

248902643 is a deficient number, since it is larger than the sum of its proper divisors (24036733).

248902643 is a wasteful number, since it uses less digits than its factorization.

248902643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117445.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 248902643 is about 15776.6486618673. The cubic root of 248902643 is about 629.0374509158.

The spelling of 248902643 in words is "two hundred forty-eight million, nine hundred two thousand, six hundred forty-three".