3551001996 has 48 divisors (see below), whose sum is σ = 8387650656. Its totient is φ = 1169147904.

The previous prime is 3551001991. The next prime is 3551002009. The reversal of 3551001996 is 6991001553.

It is not an unprimeable number, because it can be changed into a prime (3551001991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645610 + ... + 651086.

It is an arithmetic number, because the mean of its divisors is an integer number (174742722).

Almost surely, 2^3551001996 is an apocalyptic number.

It is an amenable number.

3551001996 is an abundant number, since it is smaller than the sum of its proper divisors (4836648660).

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

3551001996 is a wasteful number, since it uses less digits than its factorization.

3551001996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138 (or 6136 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 3551001996 is about 59590.2844094572. The cubic root of 3551001996 is about 1525.6338128291.

The spelling of 3551001996 in words is "three billion, five hundred fifty-one million, one thousand, nine hundred ninety-six".