38804289 has 16 divisors (see below), whose sum is σ = 56832000. Its totient is φ = 23441616.

The previous prime is 38804273. The next prime is 38804303. The reversal of 38804289 is 98240883.

It is a happy number.

It is not a de Polignac number, because 38804289 - 2⁴ = 38804273 is a prime.

It is a super-3 number, since 3×38804289³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38804289.

It is not an unprimeable number, because it can be changed into a prime (38802289) 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, 13489 + ... + 16110.

It is an arithmetic number, because the mean of its divisors is an integer number (3552000).

Almost surely, 2^38804289 is an apocalyptic number.

It is an amenable number.

38804289 is a deficient number, since it is larger than the sum of its proper divisors (18027711).

38804289 is a wasteful number, since it uses less digits than its factorization.

38804289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29644.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 38804289 is about 6229.3088701717. The cubic root of 38804289 is about 338.5529300418.

It can be divided in two parts, 38804 and 289, that added together give a palindrome (39093).

The spelling of 38804289 in words is "thirty-eight million, eight hundred four thousand, two hundred eighty-nine".