420248 has 16 divisors (see below), whose sum is σ = 795960. Its totient is φ = 208000.

The previous prime is 420241. The next prime is 420253. The reversal of 420248 is 842024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420241) 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, 848 + ... + 1248.

2⁴²⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

420248 is a deficient number, since it is larger than the sum of its proper divisors (375712).

420248 is a wasteful number, since it uses less digits than its factorization.

420248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 420248 is about 648.2653777582. The cubic root of 420248 is about 74.9034609747.

The spelling of 420248 in words is "four hundred twenty thousand, two hundred forty-eight".