38471644 has 6 divisors (see below), whose sum is σ = 67325384. Its totient is φ = 19235820.

The previous prime is 38471639. The next prime is 38471647. The reversal of 38471644 is 44617483.

38471644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38471647) 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 as a sum of consecutive naturals, namely, 4808952 + ... + 4808959.

Almost surely, 2^38471644 is an apocalyptic number.

It is an amenable number.

38471644 is a deficient number, since it is larger than the sum of its proper divisors (28853740).

38471644 is a wasteful number, since it uses less digits than its factorization.

38471644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617915 (or 9617913 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 38471644 is about 6202.5514105084. The cubic root of 38471644 is about 337.5827513593.

The spelling of 38471644 in words is "thirty-eight million, four hundred seventy-one thousand, six hundred forty-four".