3397638 has 8 divisors (see below), whose sum is σ = 6795288. Its totient is φ = 1132544.

The previous prime is 3397627. The next prime is 3397649. The reversal of 3397638 is 8367933.

It is an interprime number because it is at equal distance from previous prime (3397627) and next prime (3397649).

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

3397638 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3397596 and 3397605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283131 + ... + 283142.

It is an arithmetic number, because the mean of its divisors is an integer number (849411).

Almost surely, 2^3397638 is an apocalyptic number.

3397638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3397638 is a wasteful number, since it uses less digits than its factorization.

3397638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566278.

The product of its digits is 81648, while the sum is 39.

The square root of 3397638 is about 1843.2682930057. The cubic root of 3397638 is about 150.3346307046.

The spelling of 3397638 in words is "three million, three hundred ninety-seven thousand, six hundred thirty-eight".