693280 has 48 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 237312.

The previous prime is 693257. The next prime is 693283. The reversal of 693280 is 82396.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (693283) by changing a digit.

693280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁶⁹³²⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

693280 is an abundant number, since it is smaller than the sum of its proper divisors (1181600).

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

693280 is a wasteful number, since it uses less digits than its factorization.

693280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 693280 is about 832.6343735398. The cubic root of 693280 is about 88.5053567996.

The spelling of 693280 in words is "six hundred ninety-three thousand, two hundred eighty".