3497894449 has 45 divisors (see below), whose sum is σ = 4396704491. Its totient is φ = 2782086720.

The previous prime is 3497894447. The next prime is 3497894501. The reversal of 3497894449 is 9444987943.

The square root of 3497894449 is 59143.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2723274225 + 774620224 = 52185^2 + 27832^2 .

It is not a de Polignac number, because 3497894449 - 2¹ = 3497894447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3497894447) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 49266084 + ... + 49266154.

Almost surely, 2^3497894449 is an apocalyptic number.

3497894449 is the 59143-rd square number.

3497894449 is the 29572-nd centered octagonal number.

It is an amenable number.

3497894449 is a deficient number, since it is larger than the sum of its proper divisors (898810042).

3497894449 is an frugal number, since it uses more digits than its factorization.

3497894449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 95 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 61.

The cubic root of 3497894449 is about 1517.9899632953.

The spelling of 3497894449 in words is "three billion, four hundred ninety-seven million, eight hundred ninety-four thousand, four hundred forty-nine".