38249744 has 40 divisors (see below), whose sum is σ = 80203200. Its totient is φ = 17566848.

The previous prime is 38249741. The next prime is 38249777. The reversal of 38249744 is 44794283.

It is not an unprimeable number, because it can be changed into a prime (38249741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63557 + ... + 64155.

It is an arithmetic number, because the mean of its divisors is an integer number (2005080).

Almost surely, 2^38249744 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 38249744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40101600).

38249744 is an abundant number, since it is smaller than the sum of its proper divisors (41953456).

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

38249744 is a wasteful number, since it uses less digits than its factorization.

38249744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 921 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 38249744 is about 6184.6377420185. The cubic root of 38249744 is about 336.9324533619.

The spelling of 38249744 in words is "thirty-eight million, two hundred forty-nine thousand, seven hundred forty-four".