248631919 has 8 divisors (see below), whose sum is σ = 265003488. Its totient is φ = 232454400.

The previous prime is 248631907. The next prime is 248631923. The reversal of 248631919 is 919136842.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 248631919 - 2¹⁹ = 248107631 is a prime.

It is a super-2 number, since 2×248631919² = 123635662291245122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248631419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45862 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (33125436).

Almost surely, 2^248631919 is an apocalyptic number.

248631919 is a deficient number, since it is larger than the sum of its proper divisors (16371569).

248631919 is a wasteful number, since it uses less digits than its factorization.

248631919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97025.

The product of its digits is 93312, while the sum is 43.

The square root of 248631919 is about 15768.0664318743. The cubic root of 248631919 is about 628.8093064065.

The spelling of 248631919 in words is "two hundred forty-eight million, six hundred thirty-one thousand, nine hundred nineteen".