3420755 has 8 divisors (see below), whose sum is σ = 4420752. Its totient is φ = 2526048.

The previous prime is 3420751. The next prime is 3420763. The reversal of 3420755 is 5570243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3420755 - 2² = 3420751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26249 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (552594).

Almost surely, 2^3420755 is an apocalyptic number.

3420755 is a deficient number, since it is larger than the sum of its proper divisors (999997).

3420755 is a wasteful number, since it uses less digits than its factorization.

3420755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52645.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3420755 is about 1849.5283182477. The cubic root of 3420755 is about 150.6748114957.

Adding to 3420755 its reverse (5570243), we get a palindrome (8990998).

The spelling of 3420755 in words is "three million, four hundred twenty thousand, seven hundred fifty-five".