3398681 has 8 divisors (see below), whose sum is σ = 3993024. Its totient is φ = 2851920.

The previous prime is 3398671. The next prime is 3398683. The reversal of 3398681 is 1868933.

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 3398681 - 2¹⁴ = 3382297 is a prime.

It is a super-2 number, since 2×3398681² = 23102065079522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3398683) 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, 11741 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (499128).

Almost surely, 2^3398681 is an apocalyptic number.

It is an amenable number.

3398681 is a deficient number, since it is larger than the sum of its proper divisors (594343).

3398681 is a wasteful number, since it uses less digits than its factorization.

3398681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23791.

The product of its digits is 31104, while the sum is 38.

The square root of 3398681 is about 1843.5511926714. The cubic root of 3398681 is about 150.3500122704.

The spelling of 3398681 in words is "three million, three hundred ninety-eight thousand, six hundred eighty-one".