3800579981 has 8 divisors (see below), whose sum is σ = 4155712128. Its totient is φ = 3447052000.

The previous prime is 3800579977. The next prime is 3800579999. The reversal of 3800579981 is 1899750083.

3800579981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3800579981 - 2² = 3800579977 is a prime.

It is a super-2 number, since 2×3800579981² = 28888816383955920722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800579971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396080 + ... + 405561.

It is an arithmetic number, because the mean of its divisors is an integer number (519464016).

Almost surely, 2^3800579981 is an apocalyptic number.

It is an amenable number.

3800579981 is a deficient number, since it is larger than the sum of its proper divisors (355132147).

3800579981 is a wasteful number, since it uses less digits than its factorization.

3800579981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802083.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 3800579981 is about 61648.8441173069. The cubic root of 3800579981 is about 1560.5701374574.

The spelling of 3800579981 in words is "three billion, eight hundred million, five hundred seventy-nine thousand, nine hundred eighty-one".