696000421 has 2 divisors, whose sum is σ = 696000422. Its totient is φ = 696000420.

The previous prime is 696000413. The next prime is 696000463. The reversal of 696000421 is 124000696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444619396 + 251381025 = 21086^2 + 15855^2 .

It is a cyclic number.

It is not a de Polignac number, because 696000421 - 2³ = 696000413 is a prime.

It is a super-3 number, since 3×696000421³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 696000421.

It is a congruent number.

It is a weakly prime.

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 as a sum of consecutive naturals, namely, 348000210 + 348000211.

It is an arithmetic number, because the mean of its divisors is an integer number (348000211).

Almost surely, 2^696000421 is an apocalyptic number.

It is an amenable number.

696000421 is a deficient number, since it is larger than the sum of its proper divisors (1).

696000421 is an equidigital number, since it uses as much as digits as its factorization.

696000421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 696000421 is about 26381.8198955265. The cubic root of 696000421 is about 886.2097030237.

The spelling of 696000421 in words is "six hundred ninety-six million, four hundred twenty-one", and thus it is an aban number.