248686842 has 16 divisors (see below), whose sum is σ = 510816672. Its totient is φ = 80655120.

The previous prime is 248686819. The next prime is 248686843.

248686842 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 248686791 and 248686800.

It is not an unprimeable number, because it can be changed into a prime (248686843) 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, 559884 + ... + 560327.

It is an arithmetic number, because the mean of its divisors is an integer number (31926042).

Almost surely, 2^248686842 is an apocalyptic number.

248686842 is an abundant number, since it is smaller than the sum of its proper divisors (262129830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248686842 is a wasteful number, since it uses less digits than its factorization.

248686842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120253.

The product of its digits is 1179648, while the sum is 48.

The square root of 248686842 is about 15769.8079252729. The cubic root of 248686842 is about 628.8556044992.

The spelling of 248686842 in words is "two hundred forty-eight million, six hundred eighty-six thousand, eight hundred forty-two".