420488 has 8 divisors (see below), whose sum is σ = 788430. Its totient is φ = 210240.

The previous prime is 420481. The next prime is 420499. The reversal of 420488 is 884024.

420488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 289444 + 131044 = 538^2 + 362^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420481) by changing a digit.

420488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26273 + ... + 26288.

2⁴²⁰⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

420488 is a deficient number, since it is larger than the sum of its proper divisors (367942).

420488 is a wasteful number, since it uses less digits than its factorization.

420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52567 (or 52563 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 420488 is about 648.4504607138. The cubic root of 420488 is about 74.9177171676.

The spelling of 420488 in words is "four hundred twenty thousand, four hundred eighty-eight".