3489880 has 32 divisors (see below), whose sum is σ = 8038800. Its totient is φ = 1362816.

The previous prime is 3489869. The next prime is 3489881. The reversal of 3489880 is 889843.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489881) 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, 706 + ... + 2734.

Almost surely, 2^3489880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3489880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019400).

3489880 is an abundant number, since it is smaller than the sum of its proper divisors (4548920).

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

3489880 is a wasteful number, since it uses less digits than its factorization.

3489880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 3489880 is about 1868.1220516872. The cubic root of 3489880 is about 151.6829726595.

The spelling of 3489880 in words is "three million, four hundred eighty-nine thousand, eight hundred eighty".