4526991 has 24 divisors (see below), whose sum is σ = 7533344. Its totient is φ = 2566080.

The previous prime is 4526983. The next prime is 4527007. The reversal of 4526991 is 1996254.

It is not a de Polignac number, because 4526991 - 2³ = 4526983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4526941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11205 + ... + 11601.

Almost surely, 2^4526991 is an apocalyptic number.

4526991 is a deficient number, since it is larger than the sum of its proper divisors (3006353).

4526991 is a wasteful number, since it uses less digits than its factorization.

4526991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 4526991 is about 2127.6726721937. The cubic root of 4526991 is about 165.4257873504.

The spelling of 4526991 in words is "four million, five hundred twenty-six thousand, nine hundred ninety-one".