3800172081 has 8 divisors (see below), whose sum is σ = 5069617504. Its totient is φ = 2532087360.

The previous prime is 3800172073. The next prime is 3800172119. The reversal of 3800172081 is 1802710083.

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 3800172081 - 2³ = 3800172073 is a prime.

It is a super-2 number, since 2×3800172081² = 28882615690423741122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3800172011) 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, 333640 + ... + 344841.

It is an arithmetic number, because the mean of its divisors is an integer number (633702188).

Almost surely, 2^3800172081 is an apocalyptic number.

It is an amenable number.

3800172081 is a deficient number, since it is larger than the sum of its proper divisors (1269445423).

3800172081 is a wasteful number, since it uses less digits than its factorization.

3800172081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680351.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 3800172081 is about 61645.5357751070. The cubic root of 3800172081 is about 1560.5143056864.

The spelling of 3800172081 in words is "three billion, eight hundred million, one hundred seventy-two thousand, eighty-one".