420370 has 16 divisors (see below), whose sum is σ = 764928. Its totient is φ = 166320.

The previous prime is 420367. The next prime is 420383. The reversal of 420370 is 73024.

420370 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420370.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (47808).

2⁴²⁰³⁷⁰ is an apocalyptic number.

420370 is a deficient number, since it is larger than the sum of its proper divisors (344558).

420370 is a wasteful number, since it uses less digits than its factorization.

420370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 420370 is about 648.3594681965. The cubic root of 420370 is about 74.9107085508.

Adding to 420370 its reverse (73024), we get a palindrome (493394).

The spelling of 420370 in words is "four hundred twenty thousand, three hundred seventy", and thus it is an iban number.