248290927 has 4 divisors (see below), whose sum is σ = 248330320. Its totient is φ = 248251536.

The previous prime is 248290921. The next prime is 248290949. The reversal of 248290927 is 729092842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729092842 = 2 ⋅364546421.

It is a 4-Lehmer number, since φ(248290927) divides (248290927-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 248290927 - 2³ = 248290919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248290921) 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, 7878 + ... + 23635.

It is an arithmetic number, because the mean of its divisors is an integer number (62082580).

It is a Poulet number, since it divides 2^248290926-1.

Almost surely, 2^248290927 is an apocalyptic number.

248290927 is the 7879-th decagonal number.

248290927 is a deficient number, since it is larger than the sum of its proper divisors (39393).

248290927 is an equidigital number, since it uses as much as digits as its factorization.

248290927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39392.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 248290927 is about 15757.2499821511. The cubic root of 248290927 is about 628.5217098637.

The spelling of 248290927 in words is "two hundred forty-eight million, two hundred ninety thousand, nine hundred twenty-seven".