3455447 has 2 divisors, whose sum is σ = 3455448. Its totient is φ = 3455446.

The previous prime is 3455443. The next prime is 3455479. The reversal of 3455447 is 7445543.

It is an a-pointer prime, because the next prime (3455479) can be obtained adding 3455447 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3455447 - 2² = 3455443 is a prime.

It is a super-2 number, since 2×3455447² = 23880227939618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3455443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727723 + 1727724.

It is an arithmetic number, because the mean of its divisors is an integer number (1727724).

Almost surely, 2^3455447 is an apocalyptic number.

3455447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3455447 is an equidigital number, since it uses as much as digits as its factorization.

3455447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 32.

The square root of 3455447 is about 1858.8832669105. The cubic root of 3455447 is about 151.1824614792.

The spelling of 3455447 in words is "three million, four hundred fifty-five thousand, four hundred forty-seven".