38743144 has 64 divisors (see below), whose sum is σ = 83010240. Its totient is φ = 16796160.

The previous prime is 38743121. The next prime is 38743169. The reversal of 38743144 is 44134783.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237607 + ... + 237769.

It is an arithmetic number, because the mean of its divisors is an integer number (1297035).

Almost surely, 2^38743144 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 38743144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41505120).

38743144 is an abundant number, since it is smaller than the sum of its proper divisors (44267096).

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

38743144 is a wasteful number, since it uses less digits than its factorization.

38743144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 286 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 38743144 is about 6224.3990874622. The cubic root of 38743144 is about 338.3750141299.

The spelling of 38743144 in words is "thirty-eight million, seven hundred forty-three thousand, one hundred forty-four".