38269749 has 16 divisors (see below), whose sum is σ = 58447872. Its totient is φ = 21818928.

The previous prime is 38269747. The next prime is 38269757. The reversal of 38269749 is 94796283.

It is not a de Polignac number, because 38269749 - 2¹ = 38269747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38269698 and 38269707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38269741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8752 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (3652992).

Almost surely, 2^38269749 is an apocalyptic number.

It is an amenable number.

38269749 is a deficient number, since it is larger than the sum of its proper divisors (20178123).

38269749 is a wasteful number, since it uses less digits than its factorization.

38269749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136.

The product of its digits is 653184, while the sum is 48.

The square root of 38269749 is about 6186.2548444111. The cubic root of 38269749 is about 336.9911828093.

The spelling of 38269749 in words is "thirty-eight million, two hundred sixty-nine thousand, seven hundred forty-nine".