248920284 has 12 divisors (see below), whose sum is σ = 580814024. Its totient is φ = 82973424.

The previous prime is 248920271. The next prime is 248920303. The reversal of 248920284 is 482029842.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×248920284² = 123922615573281312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10371667 + ... + 10371690.

Almost surely, 2^248920284 is an apocalyptic number.

It is an amenable number.

248920284 is an abundant number, since it is smaller than the sum of its proper divisors (331893740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248920284 is a wasteful number, since it uses less digits than its factorization.

248920284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20743364 (or 20743362 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 248920284 is about 15777.2077377462. The cubic root of 248920284 is about 629.0523115957.

The spelling of 248920284 in words is "two hundred forty-eight million, nine hundred twenty thousand, two hundred eighty-four".