1445406 has 32 divisors (see below), whose sum is σ = 3148800. Its totient is φ = 440640.

The previous prime is 1445401. The next prime is 1445407. The reversal of 1445406 is 6045441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (98400).

2^1445406 is an apocalyptic number.

1445406 is an abundant number, since it is smaller than the sum of its proper divisors (1703394).

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

1445406 is a wasteful number, since it uses less digits than its factorization.

1445406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1445406 is about 1202.2503898939. The cubic root of 1445406 is about 113.0654592407.

The spelling of 1445406 in words is "one million, four hundred forty-five thousand, four hundred six".