3858607961 has 8 divisors (see below), whose sum is σ = 4213952064. Its totient is φ = 3511625040.

The previous prime is 3858607901. The next prime is 3858607969. The reversal of 3858607961 is 1697068583.

It is a happy number.

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 3858607961 - 2²² = 3854413657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3858607969) 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, 2089331 + ... + 2091176.

It is an arithmetic number, because the mean of its divisors is an integer number (526744008).

Almost surely, 2^3858607961 is an apocalyptic number.

It is an amenable number.

3858607961 is a deficient number, since it is larger than the sum of its proper divisors (355344103).

3858607961 is a wasteful number, since it uses less digits than its factorization.

3858607961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180591.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 3858607961 is about 62117.6944275945. The cubic root of 3858607961 is about 1568.4724158813.

The spelling of 3858607961 in words is "three billion, eight hundred fifty-eight million, six hundred seven thousand, nine hundred sixty-one".