420088 has 8 divisors (see below), whose sum is σ = 787680. Its totient is φ = 210040.

The previous prime is 420073. The next prime is 420097. The reversal of 420088 is 880024.

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.

420088 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, 26248 + ... + 26263.

It is an arithmetic number, because the mean of its divisors is an integer number (98460).

2⁴²⁰⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

420088 is a deficient number, since it is larger than the sum of its proper divisors (367592).

420088 is a wasteful number, since it uses less digits than its factorization.

420088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52517 (or 52513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 420088 is about 648.1419597588. The cubic root of 420088 is about 74.8939538305.

The spelling of 420088 in words is "four hundred twenty thousand, eighty-eight".