909397 has 8 divisors (see below), whose sum is σ = 999360. Its totient is φ = 823680.

The previous prime is 909383. The next prime is 909401. The reversal of 909397 is 793909.

It is a happy number.

909397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 909397 - 2¹⁹ = 385109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909317) 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, 604 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (124920).

2⁹⁰⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

909397 is a deficient number, since it is larger than the sum of its proper divisors (89963).

909397 is a wasteful number, since it uses less digits than its factorization.

909397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 909397 is about 953.6230911634. The cubic root of 909397 is about 96.8838017670.

The spelling of 909397 in words is "nine hundred nine thousand, three hundred ninety-seven".