3551488 has 18 divisors (see below), whose sum is σ = 7089614. Its totient is φ = 1775616.

The previous prime is 3551473. The next prime is 3551489. The reversal of 3551488 is 8841553.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 565504 = 1728^2 + 752^2 .

It is a super-2 number, since 2×3551488² = 25226134028288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6681 + ... + 7192.

Almost surely, 2^3551488 is an apocalyptic number.

It is an amenable number.

3551488 is a deficient number, since it is larger than the sum of its proper divisors (3538126).

3551488 is an equidigital number, since it uses as much as digits as its factorization.

3551488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889 (or 13875 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 3551488 is about 1884.5392009720. The cubic root of 3551488 is about 152.5703411055.

The spelling of 3551488 in words is "three million, five hundred fifty-one thousand, four hundred eighty-eight".