693996955 has 16 divisors (see below), whose sum is σ = 865142208. Its totient is φ = 534016000.

The previous prime is 693996949. The next prime is 693996959. The reversal of 693996955 is 559699396.

It is a de Polignac number, because none of the positive numbers 2^k-693996955 is a prime.

It is a super-3 number, since 3×693996955³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693996893 and 693996902.

It is not an unprimeable number, because it can be changed into a prime (693996959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9286 + ... + 38395.

It is an arithmetic number, because the mean of its divisors is an integer number (54071388).

Almost surely, 2^693996955 is an apocalyptic number.

693996955 is a deficient number, since it is larger than the sum of its proper divisors (171145253).

693996955 is a wasteful number, since it uses less digits than its factorization.

693996955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47798.

The product of its digits is 17714700, while the sum is 61.

The square root of 693996955 is about 26343.8219512659. The cubic root of 693996955 is about 885.3585553840.

The spelling of 693996955 in words is "six hundred ninety-three million, nine hundred ninety-six thousand, nine hundred fifty-five".