38614749 has 4 divisors (see below), whose sum is σ = 51486336. Its totient is φ = 25743164.

The previous prime is 38614729. The next prime is 38614753. The reversal of 38614749 is 94741683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38614749 - 2¹² = 38610653 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38614749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38614729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6435789 + ... + 6435794.

It is an arithmetic number, because the mean of its divisors is an integer number (12871584).

Almost surely, 2^38614749 is an apocalyptic number.

It is an amenable number.

38614749 is a deficient number, since it is larger than the sum of its proper divisors (12871587).

38614749 is a wasteful number, since it uses less digits than its factorization.

38614749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12871586.

The product of its digits is 145152, while the sum is 42.

The square root of 38614749 is about 6214.0766812134. The cubic root of 38614749 is about 338.0008082097. Note that the first 3 decimals are identical.

The spelling of 38614749 in words is "thirty-eight million, six hundred fourteen thousand, seven hundred forty-nine".