248739667 has 4 divisors (see below), whose sum is σ = 271352376. Its totient is φ = 226126960.

The previous prime is 248739643. The next prime is 248739677. The reversal of 248739667 is 766937842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248739667 - 2⁷ = 248739539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248739677) 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, 11306338 + ... + 11306359.

It is an arithmetic number, because the mean of its divisors is an integer number (67838094).

Almost surely, 2^248739667 is an apocalyptic number.

248739667 is a deficient number, since it is larger than the sum of its proper divisors (22612709).

248739667 is a wasteful number, since it uses less digits than its factorization.

248739667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22612708.

The product of its digits is 3048192, while the sum is 52.

The square root of 248739667 is about 15771.4827140634. The cubic root of 248739667 is about 628.9001276234.

The spelling of 248739667 in words is "two hundred forty-eight million, seven hundred thirty-nine thousand, six hundred sixty-seven".