8420248 has 8 divisors (see below), whose sum is σ = 15787980. Its totient is φ = 4210120.

The previous prime is 8420239. The next prime is 8420261.

8420248 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526258 + ... + 526273.

Almost surely, 2^8420248 is an apocalyptic number.

It is an amenable number.

8420248 is a deficient number, since it is larger than the sum of its proper divisors (7367732).

8420248 is a wasteful number, since it uses less digits than its factorization.

8420248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052537 (or 1052533 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 8420248 is about 2901.7663586168. The cubic root of 8420248 is about 203.4424735827.

It can be divided in two parts, 8420 and 248, that added together give a palindrome (8668).

The spelling of 8420248 in words is "eight million, four hundred twenty thousand, two hundred forty-eight".