248574939 has 8 divisors (see below), whose sum is σ = 336866832. Its totient is φ = 162999840.

The previous prime is 248574913. The next prime is 248574971. The reversal of 248574939 is 939475842.

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

It is not a de Polignac number, because 248574939 - 2⁷ = 248574811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248574891 and 248574900.

It is not an unprimeable number, because it can be changed into a prime (248575939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678984 + ... + 679349.

It is an arithmetic number, because the mean of its divisors is an integer number (42108354).

Almost surely, 2^248574939 is an apocalyptic number.

248574939 is a deficient number, since it is larger than the sum of its proper divisors (88291893).

248574939 is a wasteful number, since it uses less digits than its factorization.

248574939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358397.

The product of its digits is 2177280, while the sum is 51.

The square root of 248574939 is about 15766.2595120085. The cubic root of 248574939 is about 628.7612671311.

The spelling of 248574939 in words is "two hundred forty-eight million, five hundred seventy-four thousand, nine hundred thirty-nine".