38029985 has 16 divisors (see below), whose sum is σ = 52310016. Its totient is φ = 26000448.

The previous prime is 38029973. The next prime is 38029987. The reversal of 38029985 is 58992083.

It is a cyclic number.

It is not a de Polignac number, because 38029985 - 2¹⁸ = 37767841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38029987) 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, 11987 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (3269376).

Almost surely, 2^38029985 is an apocalyptic number.

38029985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38029985 is a deficient number, since it is larger than the sum of its proper divisors (14280031).

38029985 is a wasteful number, since it uses less digits than its factorization.

38029985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 38029985 is about 6166.8456280338. The cubic root of 38029985 is about 336.2859462315.

The spelling of 38029985 in words is "thirty-eight million, twenty-nine thousand, nine hundred eighty-five".