3897661141 has 8 divisors (see below), whose sum is σ = 4366913184. Its totient is φ = 3447562320.

The previous prime is 3897661139. The next prime is 3897661147. The reversal of 3897661141 is 1411667983.

3897661141 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 not a de Polignac number, because 3897661141 - 2¹ = 3897661139 is a prime.

It is a super-2 number, since 2×3897661141² = 30383524740122843762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3897661091 and 3897661100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897661147) 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, 4787875 + ... + 4788688.

It is an arithmetic number, because the mean of its divisors is an integer number (545864148).

Almost surely, 2^3897661141 is an apocalyptic number.

It is an amenable number.

3897661141 is a deficient number, since it is larger than the sum of its proper divisors (469252043).

3897661141 is a wasteful number, since it uses less digits than its factorization.

3897661141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576611.

The product of its digits is 217728, while the sum is 46.

The square root of 3897661141 is about 62431.2513169486. The cubic root of 3897661141 is about 1573.7461950307.

The spelling of 3897661141 in words is "three billion, eight hundred ninety-seven million, six hundred sixty-one thousand, one hundred forty-one".