38443672 has 16 divisors (see below), whose sum is σ = 75216240. Its totient is φ = 18386016.

The previous prime is 38443663. The next prime is 38443673. The reversal of 38443672 is 27634483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38443673) 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, 104283 + ... + 104650.

It is an arithmetic number, because the mean of its divisors is an integer number (4701015).

Almost surely, 2^38443672 is an apocalyptic number.

It is an amenable number.

38443672 is a deficient number, since it is larger than the sum of its proper divisors (36772568).

38443672 is a wasteful number, since it uses less digits than its factorization.

38443672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208962 (or 208958 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 38443672 is about 6200.2961219606. The cubic root of 38443672 is about 337.5009148581.

The spelling of 38443672 in words is "thirty-eight million, four hundred forty-three thousand, six hundred seventy-two".