1939039 has 2 divisors, whose sum is σ = 1939040. Its totient is φ = 1939038.

The previous prime is 1939033. The next prime is 1939057. The reversal of 1939039 is 9309391.

It is a happy number.

1939039 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1939039 - 2¹⁵ = 1906271 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1938995 and 1939013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1939033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969519 + 969520.

It is an arithmetic number, because the mean of its divisors is an integer number (969520).

2^1939039 is an apocalyptic number.

1939039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939039 is an equidigital number, since it uses as much as digits as its factorization.

1939039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 1939039 is about 1392.4938060904. The cubic root of 1939039 is about 124.6987733498.

The spelling of 1939039 in words is "one million, nine hundred thirty-nine thousand, thirty-nine".