1997095 has 8 divisors (see below), whose sum is σ = 2415600. Its totient is φ = 1584960.

The previous prime is 1997089. The next prime is 1997101. The reversal of 1997095 is 5907991.

It is an interprime number because it is at equal distance from previous prime (1997089) and next prime (1997101).

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

It is not a de Polignac number, because 1997095 - 2³ = 1997087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 2179.

It is an arithmetic number, because the mean of its divisors is an integer number (301950).

2^1997095 is an apocalyptic number.

1997095 is a deficient number, since it is larger than the sum of its proper divisors (418505).

1997095 is a wasteful number, since it uses less digits than its factorization.

1997095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 1997095 is about 1413.1861165466. The cubic root of 1997095 is about 125.9310742534.

The spelling of 1997095 in words is "one million, nine hundred ninety-seven thousand, ninety-five".