4219788 has 18 divisors (see below), whose sum is σ = 9862804. Its totient is φ = 1404224.

The previous prime is 4219781. The next prime is 4219799. The reversal of 4219788 is 8879124.

It is a super-2 number, since 2×4219788² = 35613221529888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4219781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6820 + ... + 7412.

Almost surely, 2^4219788 is an apocalyptic number.

It is an amenable number.

4219788 is an abundant number, since it is smaller than the sum of its proper divisors (5643016).

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

4219788 is an equidigital number, since it uses as much as digits as its factorization.

4219788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 598 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 4219788 is about 2054.2122577767. The cubic root of 4219788 is about 161.5958528328.

The spelling of 4219788 in words is "four million, two hundred nineteen thousand, seven hundred eighty-eight".