38808237 has 16 divisors (see below), whose sum is σ = 56271488. Its totient is φ = 23647680.

The previous prime is 38808223. The next prime is 38808239. The reversal of 38808237 is 73280883.

It is a happy number.

It is not a de Polignac number, because 38808237 - 2⁴ = 38808221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 38808195 and 38808204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38808239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814 + ... + 8847.

It is an arithmetic number, because the mean of its divisors is an integer number (3516968).

Almost surely, 2^38808237 is an apocalyptic number.

It is an amenable number.

38808237 is a deficient number, since it is larger than the sum of its proper divisors (17463251).

38808237 is a wasteful number, since it uses less digits than its factorization.

38808237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 38808237 is about 6229.6257511989. The cubic root of 38808237 is about 338.5644112610.

The spelling of 38808237 in words is "thirty-eight million, eight hundred eight thousand, two hundred thirty-seven".