38446845 has 16 divisors (see below), whose sum is σ = 62258112. Its totient is φ = 20257280.

The previous prime is 38446841. The next prime is 38446847. The reversal of 38446845 is 54864483.

It is not a de Polignac number, because 38446845 - 2² = 38446841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38446797 and 38446806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38446841) 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, 14196 + ... + 16685.

It is an arithmetic number, because the mean of its divisors is an integer number (3891132).

Almost surely, 2^38446845 is an apocalyptic number.

It is an amenable number.

38446845 is a deficient number, since it is larger than the sum of its proper divisors (23811267).

38446845 is a wasteful number, since it uses less digits than its factorization.

38446845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30972.

The product of its digits is 368640, while the sum is 42.

The square root of 38446845 is about 6200.5519915569. The cubic root of 38446845 is about 337.5101999661.

The spelling of 38446845 in words is "thirty-eight million, four hundred forty-six thousand, eight hundred forty-five".