38342985 has 16 divisors (see below), whose sum is σ = 61447680. Its totient is φ = 20416640.

The previous prime is 38342981. The next prime is 38342999. The reversal of 38342985 is 58924383.

It is not a de Polignac number, because 38342985 - 2² = 38342981 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38342981) 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, 9736 + ... + 13094.

It is an arithmetic number, because the mean of its divisors is an integer number (3840480).

Almost surely, 2^38342985 is an apocalyptic number.

It is an amenable number.

38342985 is a deficient number, since it is larger than the sum of its proper divisors (23104695).

38342985 is a wasteful number, since it uses less digits than its factorization.

38342985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128.

The product of its digits is 207360, while the sum is 42.

The square root of 38342985 is about 6192.1712670113. The cubic root of 38342985 is about 337.2060101033.

The spelling of 38342985 in words is "thirty-eight million, three hundred forty-two thousand, nine hundred eighty-five".