1956845 has 16 divisors (see below), whose sum is σ = 2619648. Its totient is φ = 1391040.

The previous prime is 1956839. The next prime is 1956847. The reversal of 1956845 is 5486591.

It is not a de Polignac number, because 1956845 - 2⁸ = 1956589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1956799 and 1956808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (163728).

2^1956845 is an apocalyptic number.

It is an amenable number.

1956845 is a deficient number, since it is larger than the sum of its proper divisors (662803).

1956845 is a wasteful number, since it uses less digits than its factorization.

1956845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 43200, while the sum is 38.

The square root of 1956845 is about 1398.8727604754. The cubic root of 1956845 is about 125.0793096692.

The spelling of 1956845 in words is "one million, nine hundred fifty-six thousand, eight hundred forty-five".