17964049 has 4 divisors (see below), whose sum is σ = 18028260. Its totient is φ = 17899840.

The previous prime is 17964029. The next prime is 17964061. The reversal of 17964049 is 94046971.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94046971 = 29 ⋅3242999.

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 11512449 = 2540^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 17964049 - 2¹³ = 17955857 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17964029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31684 + ... + 32245.

It is an arithmetic number, because the mean of its divisors is an integer number (4507065).

Almost surely, 2^17964049 is an apocalyptic number.

It is an amenable number.

17964049 is a deficient number, since it is larger than the sum of its proper divisors (64211).

17964049 is an equidigital number, since it uses as much as digits as its factorization.

17964049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64210.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 17964049 is about 4238.4017034727. The cubic root of 17964049 is about 261.8995448464.

The spelling of 17964049 in words is "seventeen million, nine hundred sixty-four thousand, forty-nine".