3445986 has 16 divisors (see below), whose sum is σ = 6915744. Its totient is φ = 1144704.

The previous prime is 3445963. The next prime is 3445999. The reversal of 3445986 is 6895443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (432234).

Almost surely, 2^3445986 is an apocalyptic number.

3445986 is an abundant number, since it is smaller than the sum of its proper divisors (3469758).

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

3445986 is a wasteful number, since it uses less digits than its factorization.

3445986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its digits is 103680, while the sum is 39.

The square root of 3445986 is about 1856.3367151463. The cubic root of 3445986 is about 151.0443563680.

The spelling of 3445986 in words is "three million, four hundred forty-five thousand, nine hundred eighty-six".