1406445 has 8 divisors (see below), whose sum is σ = 2250336. Its totient is φ = 750096.

The previous prime is 1406443. The next prime is 1406453. The reversal of 1406445 is 5446041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406445 - 2¹ = 1406443 is a prime.

1406445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46867 + ... + 46896.

It is an arithmetic number, because the mean of its divisors is an integer number (281292).

2^1406445 is an apocalyptic number.

1406445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1406445 is a deficient number, since it is larger than the sum of its proper divisors (843891).

1406445 is an equidigital number, since it uses as much as digits as its factorization.

1406445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93771.

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

The square root of 1406445 is about 1185.9363389322. The cubic root of 1406445 is about 112.0402969367.

The spelling of 1406445 in words is "one million, four hundred six thousand, four hundred forty-five".