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3342421 = 17196613

3342421 has 4 divisors (see below), whose sum is σ = 3539052. Its totient is φ = 3145792.

The previous prime is 3342419. The next prime is 3342439. The reversal of 3342421 is 1242433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1242433 = 7915727.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 2208196 = 1065^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342421 - 21 = 3342419 is a prime.

It is a super-2 number, since 2×33424212 = 22343556282482, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 34 + 48 + 217 + 410 + 221 + 1 .

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98290 + ... + 98323.

It is an arithmetic number, because the mean of its divisors is an integer number (884763).

Almost surely, 23342421 is an apocalyptic number.

It is an amenable number.

3342421 is a deficient number, since it is larger than the sum of its proper divisors (196631).

3342421 is a wasteful number, since it uses less digits than its factorization.

3342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196630.

The product of its digits is 576, while the sum is 19.

The square root of 3342421 is about 1828.2289243965. The cubic root of 3342421 is about 149.5157867469.

Adding to 3342421 its reverse (1242433), we get a palindrome (4584854).

The spelling of 3342421 in words is "three million, three hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 17 196613 3342421