38823749 has 8 divisors (see below), whose sum is σ = 40434432. Its totient is φ = 37235520.

The previous prime is 38823737. The next prime is 38823751. The reversal of 38823749 is 94732883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38823749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38823349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039 + ... + 9044.

It is an arithmetic number, because the mean of its divisors is an integer number (5054304).

Almost surely, 2^38823749 is an apocalyptic number.

It is an amenable number.

38823749 is a deficient number, since it is larger than the sum of its proper divisors (1610683).

38823749 is a wasteful number, since it uses less digits than its factorization.

38823749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227.

The product of its digits is 290304, while the sum is 44.

The square root of 38823749 is about 6230.8706454235. The cubic root of 38823749 is about 338.6095143282.

The spelling of 38823749 in words is "thirty-eight million, eight hundred twenty-three thousand, seven hundred forty-nine".