1996215 has 32 divisors (see below), whose sum is σ = 3568320. Its totient is φ = 946176.

The previous prime is 1996207. The next prime is 1996217. The reversal of 1996215 is 5126991.

It is not a de Polignac number, because 1996215 - 2³ = 1996207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5479 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (111510).

2^1996215 is an apocalyptic number.

1996215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1996215 is a deficient number, since it is larger than the sum of its proper divisors (1572105).

1996215 is a wasteful number, since it uses less digits than its factorization.

1996215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 4860, while the sum is 33.

The square root of 1996215 is about 1412.8747290542. The cubic root of 1996215 is about 125.9125747785.

It can be divided in two parts, 1996 and 215, that added together give a triangular number (2211 = T₆₆).

The spelling of 1996215 in words is "one million, nine hundred ninety-six thousand, two hundred fifteen".