4327491 has 16 divisors (see below), whose sum is σ = 6628608. Its totient is φ = 2460000.

The previous prime is 4327489. The next prime is 4327493. The reversal of 4327491 is 1947234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4327489) and next prime (4327493).

It is not a de Polignac number, because 4327491 - 2¹ = 4327489 is a prime.

4327491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4327493) 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, 4861 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (414288).

Almost surely, 2^4327491 is an apocalyptic number.

4327491 is a deficient number, since it is larger than the sum of its proper divisors (2301117).

4327491 is a wasteful number, since it uses less digits than its factorization.

4327491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its digits is 6048, while the sum is 30.

The square root of 4327491 is about 2080.2622430838. The cubic root of 4327491 is about 162.9591401467.

It can be divided in two parts, 43274 and 91, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 4327491 in words is "four million, three hundred twenty-seven thousand, four hundred ninety-one".