248990 has 16 divisors (see below), whose sum is σ = 512352. Its totient is φ = 85344.

The previous prime is 248987. The next prime is 249017. The reversal of 248990 is 99842.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (32022).

2²⁴⁸⁹⁹⁰ is an apocalyptic number.

248990 is an abundant number, since it is smaller than the sum of its proper divisors (263362).

It is a weird number, because it is abundant, but not a pseudoperfect number.

248990 is a wasteful number, since it uses less digits than its factorization.

248990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 248990 is about 498.9889778342. The cubic root of 248990 is about 62.9111033096.

The spelling of 248990 in words is "two hundred forty-eight thousand, nine hundred ninety".