3986551356 has 24 divisors (see below), whose sum is σ = 9325876560. Its totient is φ = 1325432832.

The previous prime is 3986551351. The next prime is 3986551363. The reversal of 3986551356 is 6531556893.

It is a junction number, because it is equal to n+sod(n) for n = 3986551299 and 3986551308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986551351) 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, 422341 + ... + 431676.

It is an arithmetic number, because the mean of its divisors is an integer number (388578190).

Almost surely, 2^3986551356 is an apocalyptic number.

It is an amenable number.

3986551356 is an abundant number, since it is smaller than the sum of its proper divisors (5339325204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3986551356 is a wasteful number, since it uses less digits than its factorization.

3986551356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854413 (or 854411 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 51.

The square root of 3986551356 is about 63139.1428196487. The cubic root of 3986551356 is about 1585.6200218015.

The spelling of 3986551356 in words is "three billion, nine hundred eighty-six million, five hundred fifty-one thousand, three hundred fifty-six".