38549247 has 16 divisors (see below), whose sum is σ = 56208000. Its totient is φ = 23306400.

The previous prime is 38549191. The next prime is 38549249. The reversal of 38549247 is 74294583.

It is not a de Polignac number, because 38549247 - 2¹¹ = 38547199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38549199 and 38549208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38549249) 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, 15297 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (3513000).

Almost surely, 2^38549247 is an apocalyptic number.

38549247 is a deficient number, since it is larger than the sum of its proper divisors (17658753).

38549247 is a wasteful number, since it uses less digits than its factorization.

38549247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854.

The product of its digits is 241920, while the sum is 42.

The square root of 38549247 is about 6208.8039911081. The cubic root of 38549247 is about 337.8095837007.

The spelling of 38549247 in words is "thirty-eight million, five hundred forty-nine thousand, two hundred forty-seven".