946431 has 8 divisors (see below), whose sum is σ = 1402160. Its totient is φ = 630936.

The previous prime is 946417. The next prime is 946453. The reversal of 946431 is 134649.

It is not a de Polignac number, because 946431 - 2⁶ = 946367 is a prime.

It is a super-2 number, since 2×946431² = 1791463275522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 35053 = 946431 / (9 + 4 + 6 + 4 + 3 + 1).

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 946395 and 946404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946411) 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, 17500 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (175270).

2⁹⁴⁶⁴³¹ is an apocalyptic number.

946431 is a deficient number, since it is larger than the sum of its proper divisors (455729).

946431 is a wasteful number, since it uses less digits than its factorization.

946431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35062 (or 35056 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 946431 is about 972.8468533125. The cubic root of 946431 is about 98.1814976140.

946431 divided by its sum of digits (27) gives a palindrome (35053).

The spelling of 946431 in words is "nine hundred forty-six thousand, four hundred thirty-one".