3629842 has 4 divisors (see below), whose sum is σ = 5444766. Its totient is φ = 1814920.

The previous prime is 3629831. The next prime is 3629863. The reversal of 3629842 is 2489263.

3629842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2489263 = 7 ⋅355609.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 1442401 = 1479^2 + 1201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3629798 and 3629807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907459 + ... + 907462.

Almost surely, 2^3629842 is an apocalyptic number.

3629842 is a deficient number, since it is larger than the sum of its proper divisors (1814924).

3629842 is a wasteful number, since it uses less digits than its factorization.

3629842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814923.

The product of its digits is 20736, while the sum is 34.

The square root of 3629842 is about 1905.2144236280. The cubic root of 3629842 is about 153.6842069831.

The spelling of 3629842 in words is "three million, six hundred twenty-nine thousand, eight hundred forty-two".