3427897 has 16 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 2801920.

The previous prime is 3427891. The next prime is 3427903. The reversal of 3427897 is 7987243.

3427897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3427891) and next prime (3427903).

It is not a de Polignac number, because 3427897 - 2⁷ = 3427769 is a prime.

It is a Duffinian number.

3427897 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3903 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3427897 is an apocalyptic number.

It is an amenable number.

3427897 is a deficient number, since it is larger than the sum of its proper divisors (708935).

3427897 is a wasteful number, since it uses less digits than its factorization.

3427897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 84672, while the sum is 40.

The square root of 3427897 is about 1851.4580740595. The cubic root of 3427897 is about 150.7796003945.

The spelling of 3427897 in words is "three million, four hundred twenty-seven thousand, eight hundred ninety-seven".