3886145431 has 8 divisors (see below), whose sum is σ = 4463628800. Its totient is φ = 3314242008.

The previous prime is 3886145423. The next prime is 3886145441. The reversal of 3886145431 is 1345416883.

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

It is not a de Polignac number, because 3886145431 - 2³ = 3886145423 is a prime.

It is a super-2 number, since 2×3886145431² = 30204252621764351522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886145441) 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, 1393491 + ... + 1396276.

It is an arithmetic number, because the mean of its divisors is an integer number (557953600).

Almost surely, 2^3886145431 is an apocalyptic number.

3886145431 is a deficient number, since it is larger than the sum of its proper divisors (577483369).

3886145431 is a wasteful number, since it uses less digits than its factorization.

3886145431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789973.

The product of its digits is 276480, while the sum is 43.

The square root of 3886145431 is about 62338.9559665543. The cubic root of 3886145431 is about 1572.1947789768.

The spelling of 3886145431 in words is "three billion, eight hundred eighty-six million, one hundred forty-five thousand, four hundred thirty-one".