38300420 has 24 divisors (see below), whose sum is σ = 81173400. Its totient is φ = 15178752.

The previous prime is 38300419. The next prime is 38300429. The reversal of 38300420 is 2400383.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 37920964 = 616^2 + 6158^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 38300392 and 38300401.

It is not an unprimeable number, because it can be changed into a prime (38300429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6605 + ... + 10964.

It is an arithmetic number, because the mean of its divisors is an integer number (3382225).

Almost surely, 2^38300420 is an apocalyptic number.

It is an amenable number.

38300420 is an abundant number, since it is smaller than the sum of its proper divisors (42872980).

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

38300420 is a wasteful number, since it uses less digits than its factorization.

38300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17687 (or 17685 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 38300420 is about 6188.7333114297. The cubic root of 38300420 is about 337.0811851120.

The spelling of 38300420 in words is "thirty-eight million, three hundred thousand, four hundred twenty".