3427645 has 8 divisors (see below), whose sum is σ = 4429656. Its totient is φ = 2531136.

The previous prime is 3427607. The next prime is 3427673. The reversal of 3427645 is 5467243.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 3426201 = 38^2 + 1851^2 .

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 3427645 - 2¹³ = 3419453 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4⁹ + 2²¹ + 7² + 6² + 4¹⁰ + 5 .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26302 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (553707).

Almost surely, 2^3427645 is an apocalyptic number.

It is an amenable number.

3427645 is a deficient number, since it is larger than the sum of its proper divisors (1002011).

3427645 is a wasteful number, since it uses less digits than its factorization.

3427645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52751.

The product of its digits is 20160, while the sum is 31.

The square root of 3427645 is about 1851.3900183376. The cubic root of 3427645 is about 150.7759054769.

The spelling of 3427645 in words is "three million, four hundred twenty-seven thousand, six hundred forty-five".