38723736 has 64 divisors (see below), whose sum is σ = 100108800. Its totient is φ = 12475008.

The previous prime is 38723701. The next prime is 38723753. The reversal of 38723736 is 63732783.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38723694 and 38723703.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 161905 + ... + 162143.

It is an arithmetic number, because the mean of its divisors is an integer number (1564200).

Almost surely, 2^38723736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38723736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50054400).

38723736 is an abundant number, since it is smaller than the sum of its proper divisors (61385064).

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

38723736 is a wasteful number, since it uses less digits than its factorization.

38723736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 38723736 is about 6222.8398661704. The cubic root of 38723736 is about 338.3185028052.

The spelling of 38723736 in words is "thirty-eight million, seven hundred twenty-three thousand, seven hundred thirty-six".