38143776 has 96 divisors (see below), whose sum is σ = 112021056. Its totient is φ = 11264000.

The previous prime is 38143771. The next prime is 38143799. The reversal of 38143776 is 67734183.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (38143771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42856 + ... + 43736.

It is an arithmetic number, because the mean of its divisors is an integer number (1166886).

Almost surely, 2^38143776 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 38143776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56010528).

38143776 is an abundant number, since it is smaller than the sum of its proper divisors (73877280).

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

38143776 is a wasteful number, since it uses less digits than its factorization.

38143776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 938 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 38143776 is about 6176.0647664998. The cubic root of 38143776 is about 336.6210170217.

The spelling of 38143776 in words is "thirty-eight million, one hundred forty-three thousand, seven hundred seventy-six".