3398144 has 20 divisors (see below), whose sum is σ = 6790674. Its totient is φ = 1698816.

The previous prime is 3398141. The next prime is 3398149. The reversal of 3398144 is 4418933.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 12544 = 1840^2 + 112^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3398144.

It is not an unprimeable number, because it can be changed into a prime (3398141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807 + ... + 3830.

Almost surely, 2^3398144 is an apocalyptic number.

It is an amenable number.

3398144 is a deficient number, since it is larger than the sum of its proper divisors (3392530).

3398144 is an frugal number, since it uses more digits than its factorization.

3398144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655 (or 6639 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 3398144 is about 1843.4055440950. The cubic root of 3398144 is about 150.3420932955.

The spelling of 3398144 in words is "three million, three hundred ninety-eight thousand, one hundred forty-four".