3642029 has 4 divisors (see below), whose sum is σ = 3856284. Its totient is φ = 3427776.

The previous prime is 3642019. The next prime is 3642031. The reversal of 3642029 is 9202463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 1322500 = 1523^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642029 - 2⁸ = 3641773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3641989 and 3642007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642019) 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 3 ways as a sum of consecutive naturals, for example, 107102 + ... + 107135.

It is an arithmetic number, because the mean of its divisors is an integer number (964071).

Almost surely, 2^3642029 is an apocalyptic number.

It is an amenable number.

3642029 is a deficient number, since it is larger than the sum of its proper divisors (214255).

3642029 is a wasteful number, since it uses less digits than its factorization.

3642029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214254.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3642029 is about 1908.4100712373. The cubic root of 3642029 is about 153.8560103493.

The spelling of 3642029 in words is "three million, six hundred forty-two thousand, twenty-nine".