432646 has 8 divisors (see below), whose sum is σ = 654120. Its totient is φ = 214608.

The previous prime is 432637. The next prime is 432659. The reversal of 432646 is 646234.

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

It is a super-2 number, since 2×432646² = 374365122632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 432646.

It is a congruent number.

It is an unprimeable number.

432646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (81765).

2⁴³²⁶⁴⁶ is an apocalyptic number.

432646 is a deficient number, since it is larger than the sum of its proper divisors (221474).

432646 is a wasteful number, since it uses less digits than its factorization.

432646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718.

The product of its digits is 3456, while the sum is 25.

The square root of 432646 is about 657.7583142766. The cubic root of 432646 is about 75.6329251991.

The spelling of 432646 in words is "four hundred thirty-two thousand, six hundred forty-six".