248941905 has 8 divisors (see below), whose sum is σ = 398307072. Its totient is φ = 132769008.

The previous prime is 248941859. The next prime is 248941907. The reversal of 248941905 is 509149842.

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

It is not a de Polignac number, because 248941905 - 2⁹ = 248941393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248941907) 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, 8298049 + ... + 8298078.

It is an arithmetic number, because the mean of its divisors is an integer number (49788384).

Almost surely, 2^248941905 is an apocalyptic number.

It is an amenable number.

248941905 is a deficient number, since it is larger than the sum of its proper divisors (149365167).

248941905 is a wasteful number, since it uses less digits than its factorization.

248941905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16596135.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 248941905 is about 15777.8929201589. The cubic root of 248941905 is about 629.0705240478.

The spelling of 248941905 in words is "two hundred forty-eight million, nine hundred forty-one thousand, nine hundred five".