248693919 has 8 divisors (see below), whose sum is σ = 332084400. Its totient is φ = 165549696.

The previous prime is 248693899. The next prime is 248693923. The reversal of 248693919 is 919396842.

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

It is a de Polignac number, because none of the positive numbers 2^k-248693919 is a prime.

It is a super-2 number, since 2×248693919² = 123697330695157122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248693959) 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, 59194 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (41510550).

Almost surely, 2^248693919 is an apocalyptic number.

248693919 is a deficient number, since it is larger than the sum of its proper divisors (83390481).

248693919 is a wasteful number, since it uses less digits than its factorization.

248693919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123129.

The product of its digits is 839808, while the sum is 51.

The square root of 248693919 is about 15770.0323081470. The cubic root of 248693919 is about 628.8615696571.

The spelling of 248693919 in words is "two hundred forty-eight million, six hundred ninety-three thousand, nine hundred nineteen".