38208905 has 16 divisors (see below), whose sum is σ = 55159680. Its totient is φ = 24820992.

The previous prime is 38208881. The next prime is 38208917. The reversal of 38208905 is 50980283.

It is not a de Polignac number, because 38208905 - 2⁸ = 38208649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28064 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (3447480).

Almost surely, 2^38208905 is an apocalyptic number.

38208905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38208905 is a deficient number, since it is larger than the sum of its proper divisors (16950775).

38208905 is a wasteful number, since it uses less digits than its factorization.

38208905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57488.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 38208905 is about 6181.3352117483. The cubic root of 38208905 is about 336.8124971384.

The spelling of 38208905 in words is "thirty-eight million, two hundred eight thousand, nine hundred five".