3601491 has 8 divisors (see below), whose sum is σ = 4823040. Its totient is φ = 2390472.

The previous prime is 3601489. The next prime is 3601517. The reversal of 3601491 is 1941063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3601491 - 2¹ = 3601489 is a prime.

3601491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3601421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (602880).

Almost surely, 2^3601491 is an apocalyptic number.

3601491 is a deficient number, since it is larger than the sum of its proper divisors (1221549).

3601491 is a wasteful number, since it uses less digits than its factorization.

3601491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3601491 is about 1897.7594684259. The cubic root of 3601491 is about 153.2830422132.

The spelling of 3601491 in words is "three million, six hundred one thousand, four hundred ninety-one".