4191016 has 8 divisors (see below), whose sum is σ = 7858170. Its totient is φ = 2095504.

The previous prime is 4191013. The next prime is 4191017. The reversal of 4191016 is 6101914.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 4900 = 2046^2 + 70^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4191016² = 35129230224512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4191013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261931 + ... + 261946.

Almost surely, 2^4191016 is an apocalyptic number.

It is an amenable number.

4191016 is a deficient number, since it is larger than the sum of its proper divisors (3667154).

4191016 is a wasteful number, since it uses less digits than its factorization.

4191016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523883 (or 523879 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 4191016 is about 2047.1971082434. The cubic root of 4191016 is about 161.2277424560.

The spelling of 4191016 in words is "four million, one hundred ninety-one thousand, sixteen".