38489858 has 32 divisors (see below), whose sum is σ = 66934080. Its totient is φ = 16552800.

The previous prime is 38489837. The next prime is 38489903. The reversal of 38489858 is 85898483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50198 + ... + 50958.

It is an arithmetic number, because the mean of its divisors is an integer number (2091690).

Almost surely, 2^38489858 is an apocalyptic number.

38489858 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38489858 is a deficient number, since it is larger than the sum of its proper divisors (28444222).

38489858 is a wasteful number, since it uses less digits than its factorization.

38489858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 793 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 38489858 is about 6204.0195035154. The cubic root of 38489858 is about 337.6360179690.

The spelling of 38489858 in words is "thirty-eight million, four hundred eighty-nine thousand, eight hundred fifty-eight".