38364643 has 16 divisors (see below), whose sum is σ = 41158656. Its totient is φ = 35703360.

The previous prime is 38364619. The next prime is 38364673. The reversal of 38364643 is 34646383.

38364643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38364643 - 2⁵ = 38364611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38364673) 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 15 ways as a sum of consecutive naturals, for example, 82630 + ... + 83092.

It is an arithmetic number, because the mean of its divisors is an integer number (2572416).

Almost surely, 2^38364643 is an apocalyptic number.

38364643 is a deficient number, since it is larger than the sum of its proper divisors (2794013).

38364643 is a wasteful number, since it uses less digits than its factorization.

38364643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 124416, while the sum is 37.

The square root of 38364643 is about 6193.9198412637. The cubic root of 38364643 is about 337.2694883217.

The spelling of 38364643 in words is "thirty-eight million, three hundred sixty-four thousand, six hundred forty-three".