248884642 has 4 divisors (see below), whose sum is σ = 373326966. Its totient is φ = 124442320.

The previous prime is 248884639. The next prime is 248884687. The reversal of 248884642 is 246488842.

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

It can be written as a sum of positive squares in only one way, i.e., 225930961 + 22953681 = 15031^2 + 4791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248884592 and 248884601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62221159 + ... + 62221162.

Almost surely, 2^248884642 is an apocalyptic number.

248884642 is a deficient number, since it is larger than the sum of its proper divisors (124442324).

248884642 is a wasteful number, since it uses less digits than its factorization.

248884642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124442323.

The product of its digits is 786432, while the sum is 46.

The square root of 248884642 is about 15776.0781565001. The cubic root of 248884642 is about 629.0222862500.

The spelling of 248884642 in words is "two hundred forty-eight million, eight hundred eighty-four thousand, six hundred forty-two".