1945946 has 8 divisors (see below), whose sum is σ = 2930580. Its totient is φ = 969088.

The previous prime is 1945943. The next prime is 1945969. The reversal of 1945946 is 6495491.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 657721 = 1135^2 + 811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

1945946 is a Rhonda number in base 10.

Its product of digits (38880) is a multiple of the sum of its prime divisors (3888).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1945943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 2346.

2^1945946 is an apocalyptic number.

1945946 is a deficient number, since it is larger than the sum of its proper divisors (984634).

1945946 is a wasteful number, since it uses less digits than its factorization.

1945946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888.

The product of its digits is 38880, while the sum is 38.

The square root of 1945946 is about 1394.9716843004. The cubic root of 1945946 is about 124.8466599716.

The spelling of 1945946 in words is "one million, nine hundred forty-five thousand, nine hundred forty-six".