3427985 has 8 divisors (see below), whose sum is σ = 4487616. Its totient is φ = 2493040.

The previous prime is 3427981. The next prime is 3428021. The reversal of 3427985 is 5897243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3427985 - 2² = 3427981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3427981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31109 + ... + 31218.

It is an arithmetic number, because the mean of its divisors is an integer number (560952).

Almost surely, 2^3427985 is an apocalyptic number.

It is an amenable number.

3427985 is a deficient number, since it is larger than the sum of its proper divisors (1059631).

3427985 is a wasteful number, since it uses less digits than its factorization.

3427985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62343.

The product of its digits is 60480, while the sum is 38.

The square root of 3427985 is about 1851.4818389604. The cubic root of 3427985 is about 150.7808906405.

The spelling of 3427985 in words is "three million, four hundred twenty-seven thousand, nine hundred eighty-five".