38618349 has 32 divisors (see below), whose sum is σ = 65581056. Its totient is φ = 19629120.

The previous prime is 38618347. The next prime is 38618353. The reversal of 38618349 is 94381683.

It is a happy number.

38618349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38618349 - 2¹ = 38618347 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38618349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38618347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9079 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (2049408).

Almost surely, 2^38618349 is an apocalyptic number.

It is an amenable number.

38618349 is a deficient number, since it is larger than the sum of its proper divisors (26962707).

38618349 is a wasteful number, since it uses less digits than its factorization.

38618349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its digits is 124416, while the sum is 42.

The square root of 38618349 is about 6214.3663393785. The cubic root of 38618349 is about 338.0113116670.

The spelling of 38618349 in words is "thirty-eight million, six hundred eighteen thousand, three hundred forty-nine".