693805056 has 224 divisors, whose sum is σ = 2191390080. Its totient is φ = 191102976.

The previous prime is 693805027. The next prime is 693805081. The reversal of 693805056 is 650508396.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 693804999 and 693805017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6365130 + ... + 6365238.

Almost surely, 2^693805056 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 693805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095695040).

693805056 is an abundant number, since it is smaller than the sum of its proper divisors (1497585024).

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

693805056 is a wasteful number, since it uses less digits than its factorization.

693805056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 693805056 is about 26340.1794982494. The cubic root of 693805056 is about 885.2769435544.

The spelling of 693805056 in words is "six hundred ninety-three million, eight hundred five thousand, fifty-six".