3551986004 has 48 divisors (see below), whose sum is σ = 7361383680. Its totient is φ = 1467298560.

The previous prime is 3551985973. The next prime is 3551986013. The reversal of 3551986004 is 4006891553.

It is a super-2 number, since 2×3551986004² = 25233209145223776032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521984 + ... + 528744.

It is an arithmetic number, because the mean of its divisors is an integer number (153362160).

Almost surely, 2^3551986004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551986004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3680691840).

3551986004 is an abundant number, since it is smaller than the sum of its proper divisors (3809397676).

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

3551986004 is a wasteful number, since it uses less digits than its factorization.

3551986004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448 (or 7446 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 3551986004 is about 59598.5402841378. The cubic root of 3551986004 is about 1525.7747211542.

The spelling of 3551986004 in words is "three billion, five hundred fifty-one million, nine hundred eighty-six thousand, four".