4188916 has 6 divisors (see below), whose sum is σ = 7330610. Its totient is φ = 2094456.

The previous prime is 4188901. The next prime is 4188971. The reversal of 4188916 is 6198814.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3459600 + 729316 = 1860^2 + 854^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523611 + ... + 523618.

Almost surely, 2^4188916 is an apocalyptic number.

It is an amenable number.

4188916 is a deficient number, since it is larger than the sum of its proper divisors (3141694).

4188916 is a wasteful number, since it uses less digits than its factorization.

4188916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047233 (or 1047231 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 4188916 is about 2046.6841475909. The cubic root of 4188916 is about 161.2008090644.

It can be divided in two parts, 41889 and 16, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 4188916 in words is "four million, one hundred eighty-eight thousand, nine hundred sixteen".