38037220 has 24 divisors (see below), whose sum is σ = 86023224. Its totient is φ = 14044416.

The previous prime is 38037203. The next prime is 38037227. The reversal of 38037220 is 2273083.

It is a happy number.

38037220 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 802816 + 37234404 = 896^2 + 6102^2 .

It is not an unprimeable number, because it can be changed into a prime (38037227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72889 + ... + 73408.

It is an arithmetic number, because the mean of its divisors is an integer number (3584301).

Almost surely, 2^38037220 is an apocalyptic number.

It is an amenable number.

38037220 is an abundant number, since it is smaller than the sum of its proper divisors (47986004).

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

38037220 is a wasteful number, since it uses less digits than its factorization.

38037220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146319 (or 146317 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 38037220 is about 6167.4322047348. The cubic root of 38037220 is about 336.3072704098.

The spelling of 38037220 in words is "thirty-eight million, thirty-seven thousand, two hundred twenty".