900693 has 8 divisors (see below), whose sum is σ = 1334400. Its totient is φ = 600444.

The previous prime is 900689. The next prime is 900701. The reversal of 900693 is 396009.

It is not a de Polignac number, because 900693 - 2² = 900689 is a prime.

It is a super-2 number, since 2×900693² = 1622495760498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 33359 = 900693 / (9 + 0 + 0 + 6 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16653 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (166800).

2⁹⁰⁰⁶⁹³ is an apocalyptic number.

It is an amenable number.

900693 is a deficient number, since it is larger than the sum of its proper divisors (433707).

900693 is a wasteful number, since it uses less digits than its factorization.

900693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368 (or 33362 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 900693 is about 949.0484708380. The cubic root of 900693 is about 96.5737129971.

The spelling of 900693 in words is "nine hundred thousand, six hundred ninety-three".