38499985 has 32 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 26542080.

The previous prime is 38499973. The next prime is 38500001. The reversal of 38499985 is 58999483.

38499985 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 38499985 - 2¹⁵ = 38467217 is a prime.

It is an unprimeable number.

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, 49681 + ... + 50449.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^38499985 is an apocalyptic number.

It is an amenable number.

38499985 is a deficient number, since it is larger than the sum of its proper divisors (14722415).

38499985 is a wasteful number, since it uses less digits than its factorization.

38499985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 2799360, while the sum is 55.

The square root of 38499985 is about 6204.8356142609. The cubic root of 38499985 is about 337.6656269820.

Subtracting from 38499985 its product of digits (2799360), we obtain a square (35700625 = 5975²).

The spelling of 38499985 in words is "thirty-eight million, four hundred ninety-nine thousand, nine hundred eighty-five".