38268649 has 8 divisors (see below), whose sum is σ = 40746888. Its totient is φ = 35815680.

The previous prime is 38268647. The next prime is 38268673. The reversal of 38268649 is 94686283.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 37908649 = 600^2 + 6157^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38268649 - 2¹ = 38268647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38268599 and 38268608.

It is not an unprimeable number, because it can be changed into a prime (38268647) 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, 3142 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (5093361).

Almost surely, 2^38268649 is an apocalyptic number.

It is an amenable number.

38268649 is a deficient number, since it is larger than the sum of its proper divisors (2478239).

38268649 is a wasteful number, since it uses less digits than its factorization.

38268649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635.

The product of its digits is 497664, while the sum is 46.

The square root of 38268649 is about 6186.1659369920. The cubic root of 38268649 is about 336.9879540288.

The spelling of 38268649 in words is "thirty-eight million, two hundred sixty-eight thousand, six hundred forty-nine".