38802155 has 8 divisors (see below), whose sum is σ = 53214432. Its totient is φ = 26607168.

The previous prime is 38802151. The next prime is 38802157. The reversal of 38802155 is 55120883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38802155 - 2² = 38802151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38802151) 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 7 ways as a sum of consecutive naturals, for example, 554282 + ... + 554351.

It is an arithmetic number, because the mean of its divisors is an integer number (6651804).

Almost surely, 2^38802155 is an apocalyptic number.

38802155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38802155 is a deficient number, since it is larger than the sum of its proper divisors (14412277).

38802155 is a wasteful number, since it uses less digits than its factorization.

38802155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108645.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 38802155 is about 6229.1375807571. The cubic root of 38802155 is about 338.5467238103.

The spelling of 38802155 in words is "thirty-eight million, eight hundred two thousand, one hundred fifty-five".