4502091 has 16 divisors (see below), whose sum is σ = 6588288. Its totient is φ = 2712000.

The previous prime is 4502063. The next prime is 4502101. The reversal of 4502091 is 1902054.

It is not a de Polignac number, because 4502091 - 2⁷ = 4501963 is a prime.

It is an Ulam number.

4502091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4502011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7191 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (411768).

Almost surely, 2^4502091 is an apocalyptic number.

4502091 is a deficient number, since it is larger than the sum of its proper divisors (2086197).

4502091 is a wasteful number, since it uses less digits than its factorization.

4502091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 4502091 is about 2121.8131397463. The cubic root of 4502091 is about 165.1219300771.

The spelling of 4502091 in words is "four million, five hundred two thousand, ninety-one".