248231990 has 8 divisors (see below), whose sum is σ = 446817600. Its totient is φ = 99292792.

The previous prime is 248231987. The next prime is 248231993. The reversal of 248231990 is 99132842.

It is an interprime number because it is at equal distance from previous prime (248231987) and next prime (248231993).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248231993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12411590 + ... + 12411609.

It is an arithmetic number, because the mean of its divisors is an integer number (55852200).

Almost surely, 2^248231990 is an apocalyptic number.

248231990 is a deficient number, since it is larger than the sum of its proper divisors (198585610).

248231990 is a wasteful number, since it uses less digits than its factorization.

248231990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24823206.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 248231990 is about 15755.3797161478. The cubic root of 248231990 is about 628.4719750414.

The spelling of 248231990 in words is "two hundred forty-eight million, two hundred thirty-one thousand, nine hundred ninety".