1996155 has 24 divisors (see below), whose sum is σ = 3954912. Its totient is φ = 912384.

The previous prime is 1996129. The next prime is 1996171. The reversal of 1996155 is 5516991.

It is not a de Polignac number, because 1996155 - 2⁶ = 1996091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2854 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (164788).

2^1996155 is an apocalyptic number.

1996155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1996155 is a deficient number, since it is larger than the sum of its proper divisors (1958757).

1996155 is a wasteful number, since it uses less digits than its factorization.

1996155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355 (or 6352 counting only the distinct ones).

The product of its digits is 12150, while the sum is 36.

The square root of 1996155 is about 1412.8534955897. The cubic root of 1996155 is about 125.9113132527.

The spelling of 1996155 in words is "one million, nine hundred ninety-six thousand, one hundred fifty-five".