696399555 has 32 divisors (see below), whose sum is σ = 1143571968. Its totient is φ = 361670400.

The previous prime is 696399553. The next prime is 696399559. The reversal of 696399555 is 555993696.

It is not a de Polignac number, because 696399555 - 2¹ = 696399553 is a prime.

Its product of digits (9841500) is a multiple of the sum of its prime divisors (2187).

It is a junction number, because it is equal to n+sod(n) for n = 696399495 and 696399504.

It is not an unprimeable number, because it can be changed into a prime (696399553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594120 + ... + 595290.

It is an arithmetic number, because the mean of its divisors is an integer number (35736624).

Almost surely, 2^696399555 is an apocalyptic number.

696399555 is a deficient number, since it is larger than the sum of its proper divisors (447172413).

696399555 is a wasteful number, since it uses less digits than its factorization.

696399555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187.

The product of its digits is 9841500, while the sum is 57.

The square root of 696399555 is about 26389.3833766536. The cubic root of 696399555 is about 886.3790749663.

The spelling of 696399555 in words is "six hundred ninety-six million, three hundred ninety-nine thousand, five hundred fifty-five".