4028693 has 2 divisors, whose sum is σ = 4028694. Its totient is φ = 4028692.

The previous prime is 4028683. The next prime is 4028707. The reversal of 4028693 is 3968204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 56644 = 1993^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028693 - 2¹⁰ = 4027669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4028603) 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 as a sum of consecutive naturals, namely, 2014346 + 2014347.

It is an arithmetic number, because the mean of its divisors is an integer number (2014347).

Almost surely, 2^4028693 is an apocalyptic number.

It is an amenable number.

4028693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028693 is an equidigital number, since it uses as much as digits as its factorization.

4028693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4028693 is about 2007.1604320532. The cubic root of 4028693 is about 159.1187620547.

The spelling of 4028693 in words is "four million, twenty-eight thousand, six hundred ninety-three".