38089905 has 48 divisors (see below), whose sum is σ = 73379520. Its totient is φ = 16802688.

The previous prime is 38089903. The next prime is 38089907. The reversal of 38089905 is 50998083.

It is an interprime number because it is at equal distance from previous prime (38089903) and next prime (38089907).

It is not a de Polignac number, because 38089905 - 2¹ = 38089903 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38089903) 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 47 ways as a sum of consecutive naturals, for example, 20422 + ... + 22208.

It is an arithmetic number, because the mean of its divisors is an integer number (1528740).

Almost surely, 2^38089905 is an apocalyptic number.

38089905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38089905 is a deficient number, since it is larger than the sum of its proper divisors (35289615).

38089905 is a wasteful number, since it uses less digits than its factorization.

38089905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 38089905 is about 6171.7019532703. The cubic root of 38089905 is about 336.4624708015.

The spelling of 38089905 in words is "thirty-eight million, eighty-nine thousand, nine hundred five".