1970039 has 2 divisors, whose sum is σ = 1970040. Its totient is φ = 1970038.

The previous prime is 1970029. The next prime is 1970071. The reversal of 1970039 is 9300791.

It is a weak prime.

It is an emirp because it is prime and its reverse (9300791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1970039 - 2²⁰ = 921463 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1969993 and 1970020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985019 + 985020.

It is an arithmetic number, because the mean of its divisors is an integer number (985020).

2^1970039 is an apocalyptic number.

1970039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970039 is an equidigital number, since it uses as much as digits as its factorization.

1970039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1970039 is about 1403.5807778678. The cubic root of 1970039 is about 125.3597953846.

The spelling of 1970039 in words is "one million, nine hundred seventy thousand, thirty-nine".