3455647 has 4 divisors (see below), whose sum is σ = 3721480. Its totient is φ = 3189816.

The previous prime is 3455633. The next prime is 3455719. The reversal of 3455647 is 7465543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7465543 = 103 ⋅72481.

It is a cyclic number.

It is not a de Polignac number, because 3455647 - 2⁷ = 3455519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132897 + ... + 132922.

It is an arithmetic number, because the mean of its divisors is an integer number (930370).

Almost surely, 2^3455647 is an apocalyptic number.

3455647 is a deficient number, since it is larger than the sum of its proper divisors (265833).

3455647 is a wasteful number, since it uses less digits than its factorization.

3455647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265832.

The product of its digits is 50400, while the sum is 34.

The square root of 3455647 is about 1858.9370618716. The cubic root of 3455647 is about 151.1853782180.

The spelling of 3455647 in words is "three million, four hundred fifty-five thousand, six hundred forty-seven".