3457989 has 12 divisors (see below), whose sum is σ = 5167500. Its totient is φ = 2225664.

The previous prime is 3457973. The next prime is 3457991. The reversal of 3457989 is 9897543.

3457989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 2117025 = 1158^2 + 1455^2 .

It is not a de Polignac number, because 3457989 - 2⁴ = 3457973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457969) 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 11 ways as a sum of consecutive naturals, for example, 6364 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (430625).

Almost surely, 2^3457989 is an apocalyptic number.

It is an amenable number.

3457989 is a deficient number, since it is larger than the sum of its proper divisors (1709511).

3457989 is a wasteful number, since it uses less digits than its factorization.

3457989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13284 (or 13281 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3457989 is about 1859.5668850568. The cubic root of 3457989 is about 151.2195248574.

The spelling of 3457989 in words is "three million, four hundred fifty-seven thousand, nine hundred eighty-nine".