3489657 has 8 divisors (see below), whose sum is σ = 4813440. Its totient is φ = 2246160.

The previous prime is 3489649. The next prime is 3489659. The reversal of 3489657 is 7569843.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3489657 - 2³ = 3489649 is a prime.

3489657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3489659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19969 + ... + 20142.

It is an arithmetic number, because the mean of its divisors is an integer number (601680).

Almost surely, 2^3489657 is an apocalyptic number.

It is an amenable number.

3489657 is a deficient number, since it is larger than the sum of its proper divisors (1323783).

3489657 is a wasteful number, since it uses less digits than its factorization.

3489657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40143.

The product of its digits is 181440, while the sum is 42.

The square root of 3489657 is about 1868.0623651260. The cubic root of 3489657 is about 151.6797417916.

The spelling of 3489657 in words is "three million, four hundred eighty-nine thousand, six hundred fifty-seven".