3431897 has 4 divisors (see below), whose sum is σ = 3922176. Its totient is φ = 2941620.

The previous prime is 3431891. The next prime is 3431903. The reversal of 3431897 is 7981343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7981343 = 59 ⋅135277.

It is an interprime number because it is at equal distance from previous prime (3431891) and next prime (3431903).

It is a cyclic number.

It is not a de Polignac number, because 3431897 - 2⁴ = 3431881 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3431891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245129 + ... + 245142.

It is an arithmetic number, because the mean of its divisors is an integer number (980544).

Almost surely, 2^3431897 is an apocalyptic number.

It is an amenable number.

3431897 is a deficient number, since it is larger than the sum of its proper divisors (490279).

3431897 is an equidigital number, since it uses as much as digits as its factorization.

3431897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490278.

The product of its digits is 18144, while the sum is 35.

The square root of 3431897 is about 1852.5379888143. The cubic root of 3431897 is about 150.8382256450.

The spelling of 3431897 in words is "three million, four hundred thirty-one thousand, eight hundred ninety-seven".