1945746 has 48 divisors (see below), whose sum is σ = 4762368. Its totient is φ = 568800.

The previous prime is 1945739. The next prime is 1945751. The reversal of 1945746 is 6475491.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1945746.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5980 + ... + 6296.

It is an arithmetic number, because the mean of its divisors is an integer number (99216).

2^1945746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2381184).

1945746 is an abundant number, since it is smaller than the sum of its proper divisors (2816622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945746 is a wasteful number, since it uses less digits than its factorization.

1945746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 364 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1945746 is about 1394.8999964155. The cubic root of 1945746 is about 124.8423826711.

It can be divided in two parts, 19457 and 46, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 1945746 in words is "one million, nine hundred forty-five thousand, seven hundred forty-six".