3465989 has 2 divisors, whose sum is σ = 3465990. Its totient is φ = 3465988.

The previous prime is 3465971. The next prime is 3465991. The reversal of 3465989 is 9895643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 24964 = 1855^2 + 158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3465989 is a prime.

Together with 3465991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3465949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732994 + 1732995.

It is an arithmetic number, because the mean of its divisors is an integer number (1732995).

Almost surely, 2^3465989 is an apocalyptic number.

It is an amenable number.

3465989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3465989 is an equidigital number, since it uses as much as digits as its factorization.

3465989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 3465989 is about 1861.7166809158. The cubic root of 3465989 is about 151.3360496622.

The spelling of 3465989 in words is "three million, four hundred sixty-five thousand, nine hundred eighty-nine".