38398744 has 8 divisors (see below), whose sum is σ = 71997660. Its totient is φ = 19199368.

The previous prime is 38398729. The next prime is 38398747. The reversal of 38398744 is 44789383.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) 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 = 38398694 and 38398703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38398747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399914 + ... + 2399929.

Almost surely, 2^38398744 is an apocalyptic number.

It is an amenable number.

38398744 is a deficient number, since it is larger than the sum of its proper divisors (33598916).

38398744 is a wasteful number, since it uses less digits than its factorization.

38398744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799849 (or 4799845 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 38398744 is about 6196.6720100389. The cubic root of 38398744 is about 337.3693877770.

The spelling of 38398744 in words is "thirty-eight million, three hundred ninety-eight thousand, seven hundred forty-four".