3863400121 has 8 divisors (see below), whose sum is σ = 4471205120. Its totient is φ = 3269567808.

The previous prime is 3863400089. The next prime is 3863400157. The reversal of 3863400121 is 1210043683.

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 3863400121 - 2⁵ = 3863400089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3863400121.

It is not an unprimeable number, because it can be changed into a prime (3863400221) 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, 3492576 + ... + 3493681.

It is an arithmetic number, because the mean of its divisors is an integer number (558900640).

Almost surely, 2^3863400121 is an apocalyptic number.

It is an amenable number.

3863400121 is a deficient number, since it is larger than the sum of its proper divisors (607804999).

3863400121 is an equidigital number, since it uses as much as digits as its factorization.

3863400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986343.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3863400121 is about 62156.2556867770. The cubic root of 3863400121 is about 1569.1214635315.

The spelling of 3863400121 in words is "three billion, eight hundred sixty-three million, four hundred thousand, one hundred twenty-one".