4523691 has 12 divisors (see below), whose sum is σ = 6367272. Its totient is φ = 2856384.

The previous prime is 4523677. The next prime is 4523693. The reversal of 4523691 is 1963254.

It is not a de Polignac number, because 4523691 - 2¹⁸ = 4261547 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4523693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (530606).

Almost surely, 2^4523691 is an apocalyptic number.

4523691 is a deficient number, since it is larger than the sum of its proper divisors (1843581).

4523691 is a wasteful number, since it uses less digits than its factorization.

4523691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218 (or 4199 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 4523691 is about 2126.8970355896. The cubic root of 4523691 is about 165.3855812621.

The spelling of 4523691 in words is "four million, five hundred twenty-three thousand, six hundred ninety-one".