1652939 has 4 divisors (see below), whose sum is σ = 1675656. Its totient is φ = 1630224.

The previous prime is 1652933. The next prime is 1652947. The reversal of 1652939 is 9392561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9392561 = 37 ⋅253853.

It is a cyclic number.

It is not a de Polignac number, because 1652939 - 2⁴ = 1652923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1652899 and 1652908.

It is not an unprimeable number, because it can be changed into a prime (1652933) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11249 + ... + 11394.

It is an arithmetic number, because the mean of its divisors is an integer number (418914).

2^1652939 is an apocalyptic number.

1652939 is a deficient number, since it is larger than the sum of its proper divisors (22717).

1652939 is an equidigital number, since it uses as much as digits as its factorization.

1652939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22716.

The product of its digits is 14580, while the sum is 35.

The square root of 1652939 is about 1285.6667530896. Note that the first 3 decimals coincide. The cubic root of 1652939 is about 118.2366933433.

The spelling of 1652939 in words is "one million, six hundred fifty-two thousand, nine hundred thirty-nine".