693946 has 8 divisors (see below), whose sum is σ = 1135584. Its totient is φ = 315420.

The previous prime is 693943. The next prime is 693961. The reversal of 693946 is 649396.

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

It is a super-2 number, since 2×693946² = 963122101832, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (693943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15750 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (141948).

2⁶⁹³⁹⁴⁶ is an apocalyptic number.

693946 is a deficient number, since it is larger than the sum of its proper divisors (441638).

693946 is a wasteful number, since it uses less digits than its factorization.

693946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31556.

The product of its digits is 34992, while the sum is 37.

The square root of 693946 is about 833.0342129829. The cubic root of 693946 is about 88.5336886437.

The spelling of 693946 in words is "six hundred ninety-three thousand, nine hundred forty-six".