1805956 has 12 divisors (see below), whose sum is σ = 3205440. Its totient is φ = 890120.

The previous prime is 1805941. The next prime is 1805963. The reversal of 1805956 is 6595081.

It is a super-2 number, since 2×1805956² = 6522954147872, which contains 22 as substring.

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, 2896 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

2^1805956 is an apocalyptic number.

It is an amenable number.

1805956 is a deficient number, since it is larger than the sum of its proper divisors (1399484).

1805956 is a wasteful number, since it uses less digits than its factorization.

1805956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1805956 is about 1343.8586235166. The cubic root of 1805956 is about 121.7780610703.

The spelling of 1805956 in words is "one million, eight hundred five thousand, nine hundred fifty-six".