248893687 has 24 divisors (see below), whose sum is σ = 296308800. Its totient is φ = 208406016.

The previous prime is 248893679. The next prime is 248893691. The reversal of 248893687 is 786398842.

It is not a de Polignac number, because 248893687 - 2³ = 248893679 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (4644864) is a multiple of the sum of its prime divisors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248893387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437139 + ... + 437707.

It is an arithmetic number, because the mean of its divisors is an integer number (12346200).

Almost surely, 2^248893687 is an apocalyptic number.

248893687 is a deficient number, since it is larger than the sum of its proper divisors (47415113).

248893687 is a wasteful number, since it uses less digits than its factorization.

248893687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 768 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 248893687 is about 15776.3648221002. The cubic root of 248893687 is about 629.0299061626.

The spelling of 248893687 in words is "two hundred forty-eight million, eight hundred ninety-three thousand, six hundred eighty-seven".