1851796 has 12 divisors (see below), whose sum is σ = 3254580. Its totient is φ = 921920.

The previous prime is 1851781. The next prime is 1851803. The reversal of 1851796 is 6971581.

It can be written as a sum of positive squares in 2 ways, for example, as 672400 + 1179396 = 820^2 + 1086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (271215).

2^1851796 is an apocalyptic number.

It is an amenable number.

1851796 is a deficient number, since it is larger than the sum of its proper divisors (1402784).

1851796 is a wasteful number, since it uses less digits than its factorization.

1851796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 1851796 is about 1360.8071134441. The cubic root of 1851796 is about 122.7998153824.

The spelling of 1851796 in words is "one million, eight hundred fifty-one thousand, seven hundred ninety-six".