1955039 has 4 divisors (see below), whose sum is σ = 1963080. Its totient is φ = 1947000.

The previous prime is 1955033. The next prime is 1955047. The reversal of 1955039 is 9305591.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1955039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1954996 and 1955014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

2^1955039 is an apocalyptic number.

1955039 is a deficient number, since it is larger than the sum of its proper divisors (8041).

1955039 is an equidigital number, since it uses as much as digits as its factorization.

1955039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 1955039 is about 1398.2270917129. The cubic root of 1955039 is about 125.0408186692.

The spelling of 1955039 in words is "one million, nine hundred fifty-five thousand, thirty-nine".