38208805 has 16 divisors (see below), whose sum is σ = 47919600. Its totient is φ = 29209600.

The previous prime is 38208799. The next prime is 38208817. The reversal of 38208805 is 50880283.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1896129 + 36312676 = 1377^2 + 6026^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38208805 is a prime.

It is a congruent number.

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, 13341 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (2994975).

Almost surely, 2^38208805 is an apocalyptic number.

It is an amenable number.

38208805 is a deficient number, since it is larger than the sum of its proper divisors (9710795).

38208805 is a wasteful number, since it uses less digits than its factorization.

38208805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 38208805 is about 6181.3271228758. The cubic root of 38208805 is about 336.8122033040.

The spelling of 38208805 in words is "thirty-eight million, two hundred eight thousand, eight hundred five".