4465891 has 4 divisors (see below), whose sum is σ = 4609984. Its totient is φ = 4321800.

The previous prime is 4465861. The next prime is 4465907. The reversal of 4465891 is 1985644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4465891 - 2⁷ = 4465763 is a prime.

It is a Duffinian number.

4465891 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4465891.

It is not an unprimeable number, because it can be changed into a prime (4465801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72000 + ... + 72061.

It is an arithmetic number, because the mean of its divisors is an integer number (1152496).

Almost surely, 2^4465891 is an apocalyptic number.

4465891 is a deficient number, since it is larger than the sum of its proper divisors (144093).

4465891 is a wasteful number, since it uses less digits than its factorization.

4465891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144092.

The product of its digits is 34560, while the sum is 37.

The square root of 4465891 is about 2113.2654826122. The cubic root of 4465891 is about 164.6781728170.

It can be divided in two parts, 4465 and 891, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4465891 in words is "four million, four hundred sixty-five thousand, eight hundred ninety-one".