38270420 has 24 divisors (see below), whose sum is σ = 81502848. Its totient is φ = 15092000.

The previous prime is 38270411. The next prime is 38270423. The reversal of 38270420 is 2407283.

It is a self number, because there is not a number n which added to its sum of digits gives 38270420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38270423) 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, 12056 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (3395952).

Almost surely, 2^38270420 is an apocalyptic number.

It is an amenable number.

38270420 is an abundant number, since it is smaller than the sum of its proper divisors (43232428).

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

38270420 is a wasteful number, since it uses less digits than its factorization.

38270420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27031 (or 27029 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 38270420 is about 6186.3090773093. The cubic root of 38270420 is about 336.9931523350.

The spelling of 38270420 in words is "thirty-eight million, two hundred seventy thousand, four hundred twenty".