38851436 has 24 divisors (see below), whose sum is σ = 75009984. Its totient is φ = 17493120.

The previous prime is 38851433. The next prime is 38851451. The reversal of 38851436 is 63415883.

It is a self number, because there is not a number n which added to its sum of digits gives 38851436.

It is not an unprimeable number, because it can be changed into a prime (38851433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6980 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (3125416).

Almost surely, 2^38851436 is an apocalyptic number.

It is an amenable number.

38851436 is a deficient number, since it is larger than the sum of its proper divisors (36158548).

38851436 is a wasteful number, since it uses less digits than its factorization.

38851436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281 (or 18279 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 38851436 is about 6233.0920095888. The cubic root of 38851436 is about 338.6899878712.

The spelling of 38851436 in words is "thirty-eight million, eight hundred fifty-one thousand, four hundred thirty-six".