38436740 has 24 divisors (see below), whose sum is σ = 81237912. Its totient is φ = 15275520.

The previous prime is 38436737. The next prime is 38436767. The reversal of 38436740 is 4763483.

38436740 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 293764 + 38142976 = 542^2 + 6176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38436740.

It is an unprimeable number.

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, 2981 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (3384913).

Almost surely, 2^38436740 is an apocalyptic number.

It is an amenable number.

38436740 is an abundant number, since it is smaller than the sum of its proper divisors (42801172).

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

38436740 is a wasteful number, since it uses less digits than its factorization.

38436740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407 (or 12405 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 38436740 is about 6199.7370911999. The cubic root of 38436740 is about 337.4806280605.

The spelling of 38436740 in words is "thirty-eight million, four hundred thirty-six thousand, seven hundred forty".