3427489 has 12 divisors (see below), whose sum is σ = 3933036. Its totient is φ = 2975232.

The previous prime is 3427469. The next prime is 3427507. The reversal of 3427489 is 9847243.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 187489 + 3240000 = 433^2 + 1800^2 .

It is not a de Polignac number, because 3427489 - 2¹¹ = 3425441 is a prime.

It is a Duffinian number.

3427489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3427409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2277 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (327753).

Almost surely, 2^3427489 is an apocalyptic number.

It is an amenable number.

3427489 is a deficient number, since it is larger than the sum of its proper divisors (505547).

3427489 is a wasteful number, since it uses less digits than its factorization.

3427489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1223 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3427489 is about 1851.3478873513. The cubic root of 3427489 is about 150.7736180563.

It can be divided in two parts, 3427 and 489, that added together give a triangular number (3916 = T₈₈).

The spelling of 3427489 in words is "three million, four hundred twenty-seven thousand, four hundred eighty-nine".