693356442 has 8 divisors (see below), whose sum is σ = 1386712896. Its totient is φ = 231118812.

The previous prime is 693356437. The next prime is 693356449. The reversal of 693356442 is 244653396.

It is a sphenic number, since it is the product of 3 distinct primes.

693356442 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 693356394 and 693356403.

It is not an unprimeable number, because it can be changed into a prime (693356449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57779698 + ... + 57779709.

It is an arithmetic number, because the mean of its divisors is an integer number (173339112).

Almost surely, 2^693356442 is an apocalyptic number.

693356442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

693356442 is a wasteful number, since it uses less digits than its factorization.

693356442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115559412.

The product of its digits is 466560, while the sum is 42.

The square root of 693356442 is about 26331.6623478276. The cubic root of 693356442 is about 885.0860958725.

The spelling of 693356442 in words is "six hundred ninety-three million, three hundred fifty-six thousand, four hundred forty-two".