433648 has 10 divisors (see below), whose sum is σ = 840224. Its totient is φ = 216816.

The previous prime is 433639. The next prime is 433651. The reversal of 433648 is 846334.

It is a super-4 number, since 4×433648⁴ (a number of 24 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13536 + ... + 13567.

2⁴³³⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

433648 is a deficient number, since it is larger than the sum of its proper divisors (406576).

433648 is a wasteful number, since it uses less digits than its factorization.

433648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111 (or 27105 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 433648 is about 658.5195517219. The cubic root of 433648 is about 75.6912683259.

Subtracting 433648 from its reverse (846334), we obtain a triangular number (412686 = T₉₀₈).

It can be divided in two parts, 433 and 648, that added together give a triangular number (1081 = T₄₆).

The spelling of 433648 in words is "four hundred thirty-three thousand, six hundred forty-eight".