693420 has 96 divisors (see below), whose sum is σ = 2408448. Its totient is φ = 145152.

The previous prime is 693409. The next prime is 693421. The reversal of 693420 is 24396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5397 + ... + 5523.

It is an arithmetic number, because the mean of its divisors is an integer number (25088).

2⁶⁹³⁴²⁰ is an apocalyptic number.

693420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204224).

693420 is an abundant number, since it is smaller than the sum of its proper divisors (1715028).

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

693420 is a wasteful number, since it uses less digits than its factorization.

693420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 693420 is about 832.7184398102. The cubic root of 693420 is about 88.5113139482.

Subtracting from 693420 its sum of digits (24), we obtain a palindrome (693396).

The spelling of 693420 in words is "six hundred ninety-three thousand, four hundred twenty".