3856408427 has 8 divisors (see below), whose sum is σ = 3896473392. Its totient is φ = 3816540000.

The previous prime is 3856408417. The next prime is 3856408433. The reversal of 3856408427 is 7248046583.

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 3856408427 - 2⁴ = 3856408411 is a prime.

It is a super-2 number, since 2×3856408427² = 29743771911673228658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3856408417) 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, 9524 + ... + 88337.

It is an arithmetic number, because the mean of its divisors is an integer number (487059174).

Almost surely, 2^3856408427 is an apocalyptic number.

3856408427 is a deficient number, since it is larger than the sum of its proper divisors (40064965).

3856408427 is a wasteful number, since it uses less digits than its factorization.

3856408427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98269.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 3856408427 is about 62099.9873349423. The cubic root of 3856408427 is about 1568.1743322053.

The spelling of 3856408427 in words is "three billion, eight hundred fifty-six million, four hundred eight thousand, four hundred twenty-seven".