3455 has 4 divisors (see below), whose sum is σ = 4152.
Its totient is φ = 2760.
The previous prime is 3449. The next prime is 3457. The reversal of 3455 is 5543.
Adding to 3455 its reverse (5543), we get a palindrome (8998).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5543 = 23 ⋅241.
It is not a de Polignac number, because 3455 - 26 = 3391 is a prime.
It is a Duffinian number.
It is a plaindrome in base 6, base 10, base 12 and base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3457) 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, 341 + ... + 350.
It is an arithmetic number, because the mean of its divisors is an integer number (1038).
3455 is a deficient number, since it is larger than the sum of its proper divisors (697).
3455 is an equidigital number, since it uses as much as digits as its factorization.
3455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696.
The product of its digits is 300, while the sum is 17.
The square root of 3455 is about 58.7792480387.
The cubic root of 3455 is about 15.1175942161.
The spelling of 3455 in words is "three thousand, four hundred fifty-five".