248894890 has 16 divisors (see below), whose sum is σ = 456464808. Its totient is φ = 97679296.

The previous prime is 248894881. The next prime is 248894897. The reversal of 248894890 is 98498842.

It can be written as a sum of positive squares in 4 ways, for example, as 248157009 + 737881 = 15753^2 + 859^2 .

It is a super-2 number, since 2×248894890² = 123897332536224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248894897) 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, 234277 + ... + 235336.

Almost surely, 2^248894890 is an apocalyptic number.

248894890 is a deficient number, since it is larger than the sum of its proper divisors (207569918).

248894890 is a wasteful number, since it uses less digits than its factorization.

248894890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469673.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The square root of 248894890 is about 15776.4029487079. The cubic root of 248894890 is about 629.0309196097.

The spelling of 248894890 in words is "two hundred forty-eight million, eight hundred ninety-four thousand, eight hundred ninety".