420412 has 12 divisors (see below), whose sum is σ = 748216. Its totient is φ = 206640.

The previous prime is 420397. The next prime is 420419. The reversal of 420412 is 214024.

It is a junction number, because it is equal to n+sod(n) for n = 420392 and 420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420419) 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, 618 + ... + 1105.

2⁴²⁰⁴¹² is an apocalyptic number.

It is an amenable number.

420412 is a deficient number, since it is larger than the sum of its proper divisors (327804).

420412 is a wasteful number, since it uses less digits than its factorization.

420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 420412 is about 648.3918568273. The cubic root of 420412 is about 74.9132032935.

Adding to 420412 its reverse (214024), we get a palindrome (634436).

The spelling of 420412 in words is "four hundred twenty thousand, four hundred twelve", and thus it is an iban number.