4352491 has 12 divisors (see below), whose sum is σ = 5154016. Its totient is φ = 3651120.

The previous prime is 4352483. The next prime is 4352563. The reversal of 4352491 is 1942534.

It is not a de Polignac number, because 4352491 - 2³ = 4352483 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

4352491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4352441) 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, 190 + ... + 2956.

Almost surely, 2^4352491 is an apocalyptic number.

4352491 is a deficient number, since it is larger than the sum of its proper divisors (801525).

4352491 is a wasteful number, since it uses less digits than its factorization.

4352491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2791 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 4352491 is about 2086.2624475363. The cubic root of 4352491 is about 163.2723438356.

It can be divided in two parts, 435 and 2491, that added together give a triangular number (2926 = T₇₆).

The spelling of 4352491 in words is "four million, three hundred fifty-two thousand, four hundred ninety-one".