3455661 has 8 divisors (see below), whose sum is σ = 5026464. Its totient is φ = 2094320.

The previous prime is 3455633. The next prime is 3455719. The reversal of 3455661 is 1665543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3455661 - 2⁵ = 3455629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52326 + ... + 52391.

It is an arithmetic number, because the mean of its divisors is an integer number (628308).

Almost surely, 2^3455661 is an apocalyptic number.

It is an amenable number.

3455661 is a deficient number, since it is larger than the sum of its proper divisors (1570803).

3455661 is a wasteful number, since it uses less digits than its factorization.

3455661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104731.

The product of its digits is 10800, while the sum is 30.

The square root of 3455661 is about 1858.9408274606. The cubic root of 3455661 is about 151.1855823855.

It can be divided in two parts, 345 and 5661, that added together give a palindrome (6006).

The spelling of 3455661 in words is "three million, four hundred fifty-five thousand, six hundred sixty-one".