3489993 has 32 divisors (see below), whose sum is σ = 5694080. Its totient is φ = 2099520.

The previous prime is 3489973. The next prime is 3490021. The reversal of 3489993 is 3999843.

It is not a de Polignac number, because 3489993 - 2⁹ = 3489481 is a prime.

It is a super-2 number, since 2×3489993² = 24360102280098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21330 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (177940).

Almost surely, 2^3489993 is an apocalyptic number.

It is an amenable number.

3489993 is a deficient number, since it is larger than the sum of its proper divisors (2204087).

3489993 is a wasteful number, since it uses less digits than its factorization.

3489993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 3489993 is about 1868.1522957190. The cubic root of 3489993 is about 151.6846097732.

The spelling of 3489993 in words is "three million, four hundred eighty-nine thousand, nine hundred ninety-three".