1995239 has 8 divisors (see below), whose sum is σ = 2125728. Its totient is φ = 1866240.

The previous prime is 1995223. The next prime is 1995263. The reversal of 1995239 is 9325991.

1995239 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995239 - 2⁴ = 1995223 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (265716).

2^1995239 is an apocalyptic number.

1995239 is a deficient number, since it is larger than the sum of its proper divisors (130489).

1995239 is a wasteful number, since it uses less digits than its factorization.

1995239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 21870, while the sum is 38.

The square root of 1995239 is about 1412.5292917317. The cubic root of 1995239 is about 125.8920508191.

It can be divided in two parts, 19952 and 39, that multiplied together give a triangular number (778128 = T₁₂₄₇).

The spelling of 1995239 in words is "one million, nine hundred ninety-five thousand, two hundred thirty-nine".