3398691 has 16 divisors (see below), whose sum is σ = 4852224. Its totient is φ = 2108544.

The previous prime is 3398683. The next prime is 3398719. The reversal of 3398691 is 1968933.

It is not a de Polignac number, because 3398691 - 2³ = 3398683 is a prime.

It is a super-2 number, since 2×3398691² = 23102201026962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3398621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4930 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (303264).

Almost surely, 2^3398691 is an apocalyptic number.

3398691 is a deficient number, since it is larger than the sum of its proper divisors (1453533).

3398691 is a wasteful number, since it uses less digits than its factorization.

3398691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 34992, while the sum is 39.

The square root of 3398691 is about 1843.5539048262. The cubic root of 3398691 is about 150.3501597295.

The spelling of 3398691 in words is "three million, three hundred ninety-eight thousand, six hundred ninety-one".