946689 has 8 divisors (see below), whose sum is σ = 1267872. Its totient is φ = 628320.

The previous prime is 946681. The next prime is 946697. The reversal of 946689 is 986649.

It is an interprime number because it is at equal distance from previous prime (946681) and next prime (946697).

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

It is not a de Polignac number, because 946689 - 2³ = 946681 is a prime.

946689 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 946689.

It is not an unprimeable number, because it can be changed into a prime (946681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (158484).

2⁹⁴⁶⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

946689 is a deficient number, since it is larger than the sum of its proper divisors (321183).

946689 is a wasteful number, since it uses less digits than its factorization.

946689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its digits is 93312, while the sum is 42.

The square root of 946689 is about 972.9794447983. The cubic root of 946689 is about 98.1904183295.

The spelling of 946689 in words is "nine hundred forty-six thousand, six hundred eighty-nine".