38743744 has 28 divisors (see below), whose sum is σ = 82797904. Its totient is φ = 17881344.

The previous prime is 38743741. The next prime is 38743781. The reversal of 38743744 is 44734783.

It is a junction number, because it is equal to n+sod(n) for n = 38743697 and 38743706.

It is not an unprimeable number, because it can be changed into a prime (38743741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22452 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (2957068).

Almost surely, 2^38743744 is an apocalyptic number.

It is an amenable number.

38743744 is an abundant number, since it is smaller than the sum of its proper divisors (44054160).

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

38743744 is a wasteful number, since it uses less digits than its factorization.

38743744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46592 (or 46582 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 38743744 is about 6224.4472846993. The cubic root of 38743744 is about 338.3767608816.

The spelling of 38743744 in words is "thirty-eight million, seven hundred forty-three thousand, seven hundred forty-four".