3398265 has 48 divisors (see below), whose sum is σ = 6556368. Its totient is φ = 1617408.

The previous prime is 3398261. The next prime is 3398267. The reversal of 3398265 is 5628933.

3398265 is a `hidden beast` number, since 3 + 398 + 265 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 71289 + 3326976 = 267^2 + 1824^2 .

It is not a de Polignac number, because 3398265 - 2² = 3398261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3398261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21567 + ... + 21723.

It is an arithmetic number, because the mean of its divisors is an integer number (136591).

Almost surely, 2^3398265 is an apocalyptic number.

It is an amenable number.

3398265 is a deficient number, since it is larger than the sum of its proper divisors (3158103).

3398265 is a wasteful number, since it uses less digits than its factorization.

3398265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3398265 is about 1843.4383634936. The cubic root of 3398265 is about 150.3438777183.

It can be divided in two parts, 3398 and 265, that added together give a palindrome (3663).

The spelling of 3398265 in words is "three million, three hundred ninety-eight thousand, two hundred sixty-five".