424661216 has 24 divisors (see below), whose sum is σ = 955488240. Its totient is φ = 181997568.

The previous prime is 424661189. The next prime is 424661227. The reversal of 424661216 is 612166424.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947681 + ... + 948128.

It is an arithmetic number, because the mean of its divisors is an integer number (39812010).

Almost surely, 2^424661216 is an apocalyptic number.

It is an amenable number.

424661216 is an abundant number, since it is smaller than the sum of its proper divisors (530827024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424661216 is a wasteful number, since it uses less digits than its factorization.

424661216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895826 (or 1895818 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 424661216 is about 20607.3097710497. The cubic root of 424661216 is about 751.6474694391.

The spelling of 424661216 in words is "four hundred twenty-four million, six hundred sixty-one thousand, two hundred sixteen".