696209644 has 24 divisors (see below), whose sum is σ = 1327903920. Its totient is φ = 317454144.

The previous prime is 696209639. The next prime is 696209669. The reversal of 696209644 is 446902696.

It is a junction number, because it is equal to n+sod(n) for n = 696209594 and 696209603.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76339 + ... + 84970.

It is an arithmetic number, because the mean of its divisors is an integer number (55329330).

Almost surely, 2^696209644 is an apocalyptic number.

It is an amenable number.

696209644 is a deficient number, since it is larger than the sum of its proper divisors (631694276).

696209644 is a wasteful number, since it uses less digits than its factorization.

696209644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161409 (or 161407 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 696209644 is about 26385.7848850475. The cubic root of 696209644 is about 886.2984945776.

The spelling of 696209644 in words is "six hundred ninety-six million, two hundred nine thousand, six hundred forty-four".