38881395 has 24 divisors (see below), whose sum is σ = 77022816. Its totient is φ = 17774208.

The previous prime is 38881387. The next prime is 38881399. The reversal of 38881395 is 59318883.

It is not a de Polignac number, because 38881395 - 2³ = 38881387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38881395.

It is not an unprimeable number, because it can be changed into a prime (38881399) 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 23 ways as a sum of consecutive naturals, for example, 61402 + ... + 62031.

It is an arithmetic number, because the mean of its divisors is an integer number (3209284).

Almost surely, 2^38881395 is an apocalyptic number.

38881395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38881395 is a deficient number, since it is larger than the sum of its proper divisors (38141421).

38881395 is a wasteful number, since it uses less digits than its factorization.

38881395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123451 (or 123448 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 38881395 is about 6235.4947678592. The cubic root of 38881395 is about 338.7770220316. Note that the first 3 decimals are identical.

The spelling of 38881395 in words is "thirty-eight million, eight hundred eighty-one thousand, three hundred ninety-five".