3445000 has 80 divisors (see below), whose sum is σ = 8856540. Its totient is φ = 1248000.

The previous prime is 3444989. The next prime is 3445003. The reversal of 3445000 is 5443.

It can be written as a sum of positive squares in 10 ways, for example, as 438244 + 3006756 = 662^2 + 1734^2 .

It is a sliding number, since 3445000 = 320000 + 3125000 and 1/320000 + 1/3125000 = 0.000003445000.

It is not an unprimeable number, because it can be changed into a prime (3445003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64974 + ... + 65026.

Almost surely, 2^3445000 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 3445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4428270).

3445000 is an abundant number, since it is smaller than the sum of its proper divisors (5411540).

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

3445000 is a wasteful number, since it uses less digits than its factorization.

3445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3445000 is about 1856.0711193271. The cubic root of 3445000 is about 151.0299488862.

The spelling of 3445000 in words is "three million, four hundred forty-five thousand".