3551897 has 4 divisors (see below), whose sum is σ = 3571920. Its totient is φ = 3531876.

The previous prime is 3551893. The next prime is 3551903. The reversal of 3551897 is 7981553.

3551897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3551897 - 2² = 3551893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3551897.

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 3 ways as a sum of consecutive naturals, for example, 9743 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (892980).

Almost surely, 2^3551897 is an apocalyptic number.

It is an amenable number.

3551897 is a deficient number, since it is larger than the sum of its proper divisors (20023).

3551897 is a wasteful number, since it uses less digits than its factorization.

3551897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20022.

The product of its digits is 37800, while the sum is 38.

The square root of 3551897 is about 1884.6477124386. The cubic root of 3551897 is about 152.5761976999.

The spelling of 3551897 in words is "three million, five hundred fifty-one thousand, eight hundred ninety-seven".