248922387 has 24 divisors (see below), whose sum is σ = 419667456. Its totient is φ = 139213296.

The previous prime is 248922383. The next prime is 248922391. The reversal of 248922387 is 783229842.

248922387 is a `hidden beast` number, since 248 + 9 + 22 + 387 = 666.

It is an interprime number because it is at equal distance from previous prime (248922383) and next prime (248922391).

It is not a de Polignac number, because 248922387 - 2² = 248922383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248922383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39073 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (17486144).

Almost surely, 2^248922387 is an apocalyptic number.

248922387 is a deficient number, since it is larger than the sum of its proper divisors (170745069).

248922387 is a wasteful number, since it uses less digits than its factorization.

248922387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84127 (or 84124 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 248922387 is about 15777.2743843796. The cubic root of 248922387 is about 629.0540831043.

The spelling of 248922387 in words is "two hundred forty-eight million, nine hundred twenty-two thousand, three hundred eighty-seven".