3551898 has 32 divisors (see below), whose sum is σ = 8547840. Its totient is φ = 961200.

The previous prime is 3551893. The next prime is 3551903. The reversal of 3551898 is 8981553.

3551898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3551893) and next prime (3551903).

It is not an unprimeable number, because it can be changed into a prime (3551893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

Almost surely, 2^3551898 is an apocalyptic number.

3551898 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3551898 is an abundant number, since it is smaller than the sum of its proper divisors (4995942).

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

3551898 is a wasteful number, since it uses less digits than its factorization.

3551898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482.

The product of its digits is 43200, while the sum is 39.

The square root of 3551898 is about 1884.6479777401. The cubic root of 3551898 is about 152.5762120186.

The spelling of 3551898 in words is "three million, five hundred fifty-one thousand, eight hundred ninety-eight".