3489660 has 36 divisors (see below), whose sum is σ = 10585848. Its totient is φ = 930528.

The previous prime is 3489659. The next prime is 3489683. The reversal of 3489660 is 669843.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9514 + ... + 9873.

Almost surely, 2^3489660 is an apocalyptic number.

3489660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3489660 is an abundant number, since it is smaller than the sum of its proper divisors (7096188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3489660 is a wasteful number, since it uses less digits than its factorization.

3489660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19402 (or 19397 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3489660 is about 1868.0631680968. The cubic root of 3489660 is about 151.6797852571.

The spelling of 3489660 in words is "three million, four hundred eighty-nine thousand, six hundred sixty".