3427145 has 4 divisors (see below), whose sum is σ = 4112580. Its totient is φ = 2741712.

The previous prime is 3427141. The next prime is 3427147. The reversal of 3427145 is 5417243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 1006009 = 1556^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427145 - 2² = 3427141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3427141) 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, 342710 + ... + 342719.

It is an arithmetic number, because the mean of its divisors is an integer number (1028145).

Almost surely, 2^3427145 is an apocalyptic number.

It is an amenable number.

3427145 is a deficient number, since it is larger than the sum of its proper divisors (685435).

3427145 is an equidigital number, since it uses as much as digits as its factorization.

3427145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685434.

The product of its digits is 3360, while the sum is 26.

The square root of 3427145 is about 1851.2549797367. The cubic root of 3427145 is about 150.7685737551.

The spelling of 3427145 in words is "three million, four hundred twenty-seven thousand, one hundred forty-five".