3421312 has 16 divisors (see below), whose sum is σ = 6816150. Its totient is φ = 1710592.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421312 is 2131243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 678976 = 1656^2 + 824^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13237 + ... + 13492.

Almost surely, 2^3421312 is an apocalyptic number.

3421312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3421312 is a deficient number, since it is larger than the sum of its proper divisors (3394838).

3421312 is an equidigital number, since it uses as much as digits as its factorization.

3421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26743 (or 26731 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 3421312 is about 1849.6788910511. The cubic root of 3421312 is about 150.6829891558.

Adding to 3421312 its reverse (2131243), we get a palindrome (5552555).

It can be divided in two parts, 34213 and 12, that added together give a square (34225 = 185²).

The spelling of 3421312 in words is "three million, four hundred twenty-one thousand, three hundred twelve".