906397 has 8 divisors (see below), whose sum is σ = 940896. Its totient is φ = 872592.

The previous prime is 906391. The next prime is 906403. The reversal of 906397 is 793609.

It is an interprime number because it is at equal distance from previous prime (906391) and next prime (906403).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906397 is a prime.

It is a Duffinian number.

906397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906391) 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, 4503 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2⁹⁰⁶³⁹⁷ is an apocalyptic number.

It is an amenable number.

906397 is a deficient number, since it is larger than the sum of its proper divisors (34499).

906397 is a wasteful number, since it uses less digits than its factorization.

906397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 906397 is about 952.0488432848. The cubic root of 906397 is about 96.7771480902. Note that the first 3 decimals are identical.

The spelling of 906397 in words is "nine hundred six thousand, three hundred ninety-seven".