248442999 has 16 divisors (see below), whose sum is σ = 379200000. Its totient is φ = 141734880.

The previous prime is 248442989. The next prime is 248443001. The reversal of 248442999 is 999244842.

It is not a de Polignac number, because 248442999 - 2⁵ = 248442967 is a prime.

It is a super-2 number, since 2×248442999² = 123447847504228002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248442989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (23700000).

Almost surely, 2^248442999 is an apocalyptic number.

248442999 is a deficient number, since it is larger than the sum of its proper divisors (130757001).

248442999 is a wasteful number, since it uses less digits than its factorization.

248442999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390.

The product of its digits is 1492992, while the sum is 51.

The square root of 248442999 is about 15762.0747048096. The cubic root of 248442999 is about 628.6500016324.

The spelling of 248442999 in words is "two hundred forty-eight million, four hundred forty-two thousand, nine hundred ninety-nine".