1445886 has 48 divisors (see below), whose sum is σ = 3485664. Its totient is φ = 430272.

The previous prime is 1445879. The next prime is 1445887. The reversal of 1445886 is 6885441.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1445886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8575 + ... + 8741.

It is an arithmetic number, because the mean of its divisors is an integer number (72618).

2^1445886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742832).

1445886 is an abundant number, since it is smaller than the sum of its proper divisors (2039778).

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

1445886 is a wasteful number, since it uses less digits than its factorization.

1445886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 222 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1445886 is about 1202.4499989605. The cubic root of 1445886 is about 113.0779736978.

Subtracting from 1445886 its sum of digits (36), we obtain a triangular number (1445850 = T₁₇₀₀).

The spelling of 1445886 in words is "one million, four hundred forty-five thousand, eight hundred eighty-six".