3455643 has 4 divisors (see below), whose sum is σ = 4607528. Its totient is φ = 2303760.

The previous prime is 3455633. The next prime is 3455719. The reversal of 3455643 is 3465543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3455643 - 2²¹ = 1358491 is a prime.

It is a D-number.

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 3455643.

It is not an unprimeable number, because it can be changed into a prime (3455633) 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 3 ways as a sum of consecutive naturals, for example, 575938 + ... + 575943.

It is an arithmetic number, because the mean of its divisors is an integer number (1151882).

Almost surely, 2^3455643 is an apocalyptic number.

3455643 is a deficient number, since it is larger than the sum of its proper divisors (1151885).

3455643 is a wasteful number, since it uses less digits than its factorization.

3455643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151884.

The product of its digits is 21600, while the sum is 30.

The square root of 3455643 is about 1858.9359859877. The cubic root of 3455643 is about 151.1853198843.

The spelling of 3455643 in words is "three million, four hundred fifty-five thousand, six hundred forty-three".