4219684 has 18 divisors (see below), whose sum is σ = 8590470. Its totient is φ = 1808352.

The previous prime is 4219681. The next prime is 4219687. The reversal of 4219684 is 4869124.

It is an interprime number because it is at equal distance from previous prime (4219681) and next prime (4219687).

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 1254400 = 1722^2 + 1120^2 .

It is not an unprimeable number, because it can be changed into a prime (4219681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10569 + ... + 10960.

Almost surely, 2^4219684 is an apocalyptic number.

It is an amenable number.

4219684 is an abundant number, since it is smaller than the sum of its proper divisors (4370786).

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

4219684 is a wasteful number, since it uses less digits than its factorization.

4219684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21547 (or 21538 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4219684 is about 2054.1869437809. The cubic root of 4219684 is about 161.5945252695.

The spelling of 4219684 in words is "four million, two hundred nineteen thousand, six hundred eighty-four".