38146899 has 32 divisors (see below), whose sum is σ = 59885056. Its totient is φ = 21150720.

The previous prime is 38146897. The next prime is 38146921. The reversal of 38146899 is 99864183.

It is not a de Polignac number, because 38146899 - 2¹ = 38146897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38146897) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 124104 + ... + 124410.

It is an arithmetic number, because the mean of its divisors is an integer number (1871408).

Almost surely, 2^38146899 is an apocalyptic number.

38146899 is a deficient number, since it is larger than the sum of its proper divisors (21738157).

38146899 is a wasteful number, since it uses less digits than its factorization.

38146899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 373248, while the sum is 48.

The square root of 38146899 is about 6176.3175922227. The cubic root of 38146899 is about 336.6302036559.

The spelling of 38146899 in words is "thirty-eight million, one hundred forty-six thousand, eight hundred ninety-nine".