38734436 has 12 divisors (see below), whose sum is σ = 72999612. Its totient is φ = 17877408.

The previous prime is 38734433. The next prime is 38734441. The reversal of 38734436 is 63443783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 13734436 = 5000^2 + 3706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38734436.

It is not an unprimeable number, because it can be changed into a prime (38734433) 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 3 ways as a sum of consecutive naturals, for example, 372395 + ... + 372498.

It is an arithmetic number, because the mean of its divisors is an integer number (6083301).

Almost surely, 2^38734436 is an apocalyptic number.

It is an amenable number.

38734436 is a deficient number, since it is larger than the sum of its proper divisors (34265176).

38734436 is a wasteful number, since it uses less digits than its factorization.

38734436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744910 (or 744908 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 38734436 is about 6223.6995428764. The cubic root of 38734436 is about 338.3496609095.

The spelling of 38734436 in words is "thirty-eight million, seven hundred thirty-four thousand, four hundred thirty-six".