1920196 has 6 divisors (see below), whose sum is σ = 3360350. Its totient is φ = 960096.

The previous prime is 1920187. The next prime is 1920199. The reversal of 1920196 is 6910291.

It can be written as a sum of positive squares in only one way, i.e., 1726596 + 193600 = 1314^2 + 440^2 .

It is not an unprimeable number, because it can be changed into a prime (1920199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240021 + ... + 240028.

2^1920196 is an apocalyptic number.

It is an amenable number.

1920196 is a deficient number, since it is larger than the sum of its proper divisors (1440154).

1920196 is a wasteful number, since it uses less digits than its factorization.

1920196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480053 (or 480051 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1920196 is about 1385.7113696582. The cubic root of 1920196 is about 124.2935293829.

It can be divided in two parts, 1920 and 196, that added together give a square (2116 = 46²).

The spelling of 1920196 in words is "one million, nine hundred twenty thousand, one hundred ninety-six".