3398779 has 4 divisors (see below), whose sum is σ = 3546576. Its totient is φ = 3250984.

The previous prime is 3398761. The next prime is 3398851. The reversal of 3398779 is 9778933.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3398779 - 2⁷ = 3398651 is a prime.

It is a Duffinian number.

3398779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3398719) 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, 73864 + ... + 73909.

It is an arithmetic number, because the mean of its divisors is an integer number (886644).

Almost surely, 2^3398779 is an apocalyptic number.

3398779 is a deficient number, since it is larger than the sum of its proper divisors (147797).

3398779 is a wasteful number, since it uses less digits than its factorization.

3398779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147796.

The product of its digits is 285768, while the sum is 46.

The square root of 3398779 is about 1843.5777716169. The cubic root of 3398779 is about 150.3514573565.

The spelling of 3398779 in words is "three million, three hundred ninety-eight thousand, seven hundred seventy-nine".