248673739 has 8 divisors (see below), whose sum is σ = 263577888. Its totient is φ = 233800320.

The previous prime is 248673709. The next prime is 248673749. The reversal of 248673739 is 937376842.

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

It is not a de Polignac number, because 248673739 - 2²¹ = 246576587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248673692 and 248673701.

It is not an unprimeable number, because it can be changed into a prime (248673709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10194 + ... + 24520.

It is an arithmetic number, because the mean of its divisors is an integer number (32947236).

Almost surely, 2^248673739 is an apocalyptic number.

248673739 is a deficient number, since it is larger than the sum of its proper divisors (14904149).

248673739 is a wasteful number, since it uses less digits than its factorization.

248673739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15365.

The product of its digits is 1524096, while the sum is 49.

The square root of 248673739 is about 15769.3924740302. The cubic root of 248673739 is about 628.8445597656.

The spelling of 248673739 in words is "two hundred forty-eight million, six hundred seventy-three thousand, seven hundred thirty-nine".