420038 has 4 divisors (see below), whose sum is σ = 630060. Its totient is φ = 210018.

The previous prime is 420037. The next prime is 420041. The reversal of 420038 is 830024.

420038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 419998 and 420025.

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 420038.

It is not an unprimeable number, because it can be changed into a prime (420037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105008 + ... + 105011.

It is an arithmetic number, because the mean of its divisors is an integer number (157515).

2⁴²⁰⁰³⁸ is an apocalyptic number.

420038 is a deficient number, since it is larger than the sum of its proper divisors (210022).

420038 is a wasteful number, since it uses less digits than its factorization.

420038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210021.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420038 is about 648.1033868142. The cubic root of 420038 is about 74.8909823529.

The spelling of 420038 in words is "four hundred twenty thousand, thirty-eight".