693533904 has 160 divisors (see below), whose sum is σ = 2262712320. Its totient is φ = 178354176.

The previous prime is 693533873. The next prime is 693533923. The reversal of 693533904 is 409335396.

693533904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128737 + ... + 134015.

It is an arithmetic number, because the mean of its divisors is an integer number (14141952).

Almost surely, 2^693533904 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 693533904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131356160).

693533904 is an abundant number, since it is smaller than the sum of its proper divisors (1569178416).

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

693533904 is a wasteful number, since it uses less digits than its factorization.

693533904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337 (or 5331 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 693533904 is about 26335.0318777100. The cubic root of 693533904 is about 885.1616009281.

The spelling of 693533904 in words is "six hundred ninety-three million, five hundred thirty-three thousand, nine hundred four".