424825216 has 16 divisors (see below), whose sum is σ = 846331740. Its totient is φ = 212412544.

The previous prime is 424825207. The next prime is 424825217. The reversal of 424825216 is 612528424.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424825217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659346 + ... + 1659601.

Almost surely, 2^424825216 is an apocalyptic number.

It is an amenable number.

424825216 is a deficient number, since it is larger than the sum of its proper divisors (421506524).

424825216 is an equidigital number, since it uses as much as digits as its factorization.

424825216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318961 (or 3318949 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 424825216 is about 20611.2885574871. The cubic root of 424825216 is about 751.7442166148.

The spelling of 424825216 in words is "four hundred twenty-four million, eight hundred twenty-five thousand, two hundred sixteen".