3204455 has 4 divisors (see below), whose sum is σ = 3845352. Its totient is φ = 2563560.

The previous prime is 3204451. The next prime is 3204463. The reversal of 3204455 is 5544023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5544023 = 17 ⋅326119.

It is not a de Polignac number, because 3204455 - 2² = 3204451 is a prime.

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 3204455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204451) 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, 320441 + ... + 320450.

It is an arithmetic number, because the mean of its divisors is an integer number (961338).

Almost surely, 2^3204455 is an apocalyptic number.

3204455 is a deficient number, since it is larger than the sum of its proper divisors (640897).

3204455 is an equidigital number, since it uses as much as digits as its factorization.

3204455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640896.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3204455 is about 1790.0991592646. The cubic root of 3204455 is about 147.4296130700.

Adding to 3204455 its reverse (5544023), we get a palindrome (8748478).

The spelling of 3204455 in words is "three million, two hundred four thousand, four hundred fifty-five".