693378 has 24 divisors (see below), whose sum is σ = 1717248. Its totient is φ = 198072.

The previous prime is 693373. The next prime is 693397. The reversal of 693378 is 873396.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (693373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (71552).

2⁶⁹³³⁷⁸ is an apocalyptic number.

693378 is an abundant number, since it is smaller than the sum of its proper divisors (1023870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693378 is a wasteful number, since it uses less digits than its factorization.

693378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518 (or 5515 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 693378 is about 832.6932208202. The cubic root of 693378 is about 88.5095268878.

The spelling of 693378 in words is "six hundred ninety-three thousand, three hundred seventy-eight".