1872196 has 6 divisors (see below), whose sum is σ = 3276350. Its totient is φ = 936096.

The previous prime is 1872173. The next prime is 1872217. The reversal of 1872196 is 6912781.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 617796 = 1120^2 + 786^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234021 + ... + 234028.

2^1872196 is an apocalyptic number.

It is an amenable number.

1872196 is a deficient number, since it is larger than the sum of its proper divisors (1404154).

1872196 is a wasteful number, since it uses less digits than its factorization.

1872196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468053 (or 468051 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 1872196 is about 1368.2821346491. The cubic root of 1872196 is about 123.2491040836.

The spelling of 1872196 in words is "one million, eight hundred seventy-two thousand, one hundred ninety-six".