946945 has 4 divisors (see below), whose sum is σ = 1136340. Its totient is φ = 757552.

The previous prime is 946943. The next prime is 946949. The reversal of 946945 is 549649.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 318096 = 793^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 946945 - 2¹ = 946943 is a prime.

946945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (946943) 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, 94690 + ... + 94699.

It is an arithmetic number, because the mean of its divisors is an integer number (284085).

2⁹⁴⁶⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

946945 is a deficient number, since it is larger than the sum of its proper divisors (189395).

946945 is a wasteful number, since it uses less digits than its factorization.

946945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189394.

The product of its digits is 38880, while the sum is 37.

The square root of 946945 is about 973.1109905864. The cubic root of 946945 is about 98.1992682903.

It can be divided in two parts, 946 and 945, that added together give a triangular number (1891 = T₆₁).

The spelling of 946945 in words is "nine hundred forty-six thousand, nine hundred forty-five".