906897 has 4 divisors (see below), whose sum is σ = 1209200. Its totient is φ = 604596.

The previous prime is 906881. The next prime is 906901. The reversal of 906897 is 798609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 906897 - 2⁴ = 906881 is a prime.

It is a D-number.

It is a Duffinian number.

906897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (906817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151147 + ... + 151152.

It is an arithmetic number, because the mean of its divisors is an integer number (302300).

2⁹⁰⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

906897 is a deficient number, since it is larger than the sum of its proper divisors (302303).

906897 is a wasteful number, since it uses less digits than its factorization.

906897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302302.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 906897 is about 952.3113986507. The cubic root of 906897 is about 96.7949400287.

The spelling of 906897 in words is "nine hundred six thousand, eight hundred ninety-seven".