38744500 has 24 divisors (see below), whose sum is σ = 84619080. Its totient is φ = 15497600.

The previous prime is 38744473. The next prime is 38744507. The reversal of 38744500 is 544783.

38744500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10484644 + 28259856 = 3238^2 + 5316^2 .

It is a super-2 number, since 2×38744500² = 3002272560500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38744507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38245 + ... + 39244.

It is an arithmetic number, because the mean of its divisors is an integer number (3525795).

Almost surely, 2^38744500 is an apocalyptic number.

It is an amenable number.

38744500 is an abundant number, since it is smaller than the sum of its proper divisors (45874580).

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

38744500 is a wasteful number, since it uses less digits than its factorization.

38744500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77508 (or 77496 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38744500 is about 6224.5080126866. The cubic root of 38744500 is about 338.3789617631.

The spelling of 38744500 in words is "thirty-eight million, seven hundred forty-four thousand, five hundred".