420348 has 24 divisors (see below), whose sum is σ = 1024128. Its totient is φ = 133936.

The previous prime is 420341. The next prime is 420349. The reversal of 420348 is 843024.

It is a happy number.

It is a super-2 number, since 2×420348² = 353384882208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420348.

It is not an unprimeable number, because it can be changed into a prime (420341) by changing a digit.

420348 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 in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (42672).

2⁴²⁰³⁴⁸ is an apocalyptic number.

It is an amenable number.

420348 is an abundant number, since it is smaller than the sum of its proper divisors (603780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420348 is a wasteful number, since it uses less digits than its factorization.

420348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420348 is about 648.3425020774. The cubic root of 420348 is about 74.9094017145.

The spelling of 420348 in words is "four hundred twenty thousand, three hundred forty-eight".