906445 has 8 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 720720.

The previous prime is 906431. The next prime is 906461. The reversal of 906445 is 544609.

906445 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 906445 - 2⁷ = 906317 is a prime.

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, 540 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2⁹⁰⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

906445 is a deficient number, since it is larger than the sum of its proper divisors (187955).

906445 is a wasteful number, since it uses less digits than its factorization.

906445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 906445 is about 952.0740517418. The cubic root of 906445 is about 96.7788564002.

The spelling of 906445 in words is "nine hundred six thousand, four hundred forty-five".