38408837 has 4 divisors (see below), whose sum is σ = 38422860. Its totient is φ = 38394816.

The previous prime is 38408819. The next prime is 38408857. The reversal of 38408837 is 73880483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28366276 + 10042561 = 5326^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 38408837 - 2¹⁶ = 38343301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38408794 and 38408803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38408857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (9605715).

Almost surely, 2^38408837 is an apocalyptic number.

It is an amenable number.

38408837 is a deficient number, since it is larger than the sum of its proper divisors (14023).

38408837 is a wasteful number, since it uses less digits than its factorization.

38408837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 38408837 is about 6197.4863452855. The cubic root of 38408837 is about 337.3989440470.

The spelling of 38408837 in words is "thirty-eight million, four hundred eight thousand, eight hundred thirty-seven".