3861294427 has 4 divisors (see below), whose sum is σ = 3868057336. Its totient is φ = 3854531520.

The previous prime is 3861294413. The next prime is 3861294431. The reversal of 3861294427 is 7244921683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7244921683 = 3461 ⋅2093303.

It is a cyclic number.

It is not a de Polignac number, because 3861294427 - 2¹⁵ = 3861261659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861294467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380598 + ... + 3381739.

It is an arithmetic number, because the mean of its divisors is an integer number (967014334).

Almost surely, 2^3861294427 is an apocalyptic number.

3861294427 is a deficient number, since it is larger than the sum of its proper divisors (6762909).

3861294427 is an equidigital number, since it uses as much as digits as its factorization.

3861294427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762908.

The product of its digits is 580608, while the sum is 46.

The square root of 3861294427 is about 62139.3146647113. The cubic root of 3861294427 is about 1568.8363355775.

The spelling of 3861294427 in words is "three billion, eight hundred sixty-one million, two hundred ninety-four thousand, four hundred twenty-seven".