1973039 has 4 divisors (see below), whose sum is σ = 1983456. Its totient is φ = 1962624.

The previous prime is 1973033. The next prime is 1973047. The reversal of 1973039 is 9303791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1973039 - 2²⁰ = 924463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972996 and 1973014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973033) 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, 4919 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (495864).

2^1973039 is an apocalyptic number.

1973039 is a deficient number, since it is larger than the sum of its proper divisors (10417).

1973039 is a wasteful number, since it uses less digits than its factorization.

1973039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1973039 is about 1404.6490664931. The cubic root of 1973039 is about 125.4233962656.

The spelling of 1973039 in words is "one million, nine hundred seventy-three thousand, thirty-nine".