38706249 has 16 divisors (see below), whose sum is σ = 54459200. Its totient is φ = 24385536.

The previous prime is 38706247. The next prime is 38706251. The reversal of 38706249 is 94260783.

It is an interprime number because it is at equal distance from previous prime (38706247) and next prime (38706251).

It is not a de Polignac number, because 38706249 - 2¹ = 38706247 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38706247) 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, 37857 + ... + 38865.

It is an arithmetic number, because the mean of its divisors is an integer number (3403700).

Almost surely, 2^38706249 is an apocalyptic number.

It is an amenable number.

38706249 is a deficient number, since it is larger than the sum of its proper divisors (15752951).

38706249 is a wasteful number, since it uses less digits than its factorization.

38706249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 38706249 is about 6221.4346416241. The cubic root of 38706249 is about 338.2675687869.

The spelling of 38706249 in words is "thirty-eight million, seven hundred six thousand, two hundred forty-nine".