1995499 has 4 divisors (see below), whose sum is σ = 2176920. Its totient is φ = 1814080.

The previous prime is 1995481. The next prime is 1995517. The reversal of 1995499 is 9945991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9945991 = 11 ⋅904181.

It is an interprime number because it is at equal distance from previous prime (1995481) and next prime (1995517).

It is a cyclic number.

It is not a de Polignac number, because 1995499 - 2¹⁵ = 1962731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995449) 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, 90694 + ... + 90715.

It is an arithmetic number, because the mean of its divisors is an integer number (544230).

2^1995499 is an apocalyptic number.

1995499 is a deficient number, since it is larger than the sum of its proper divisors (181421).

1995499 is a wasteful number, since it uses less digits than its factorization.

1995499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181420.

The product of its digits is 131220, while the sum is 46.

The square root of 1995499 is about 1412.6213222233. The cubic root of 1995499 is about 125.8975189212.

The spelling of 1995499 in words is "one million, nine hundred ninety-five thousand, four hundred ninety-nine".