3297978489 has 16 divisors (see below), whose sum is σ = 4737948992. Its totient is φ = 2028500928.

The previous prime is 3297978433. The next prime is 3297978491. The reversal of 3297978489 is 9848797923.

It is not a de Polignac number, because 3297978489 - 2¹⁷ = 3297847417 is a prime.

It is a super-2 number, since 2×3297978489² = 21753324227813446242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3297978419) 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, 60939 + ... + 101535.

It is an arithmetic number, because the mean of its divisors is an integer number (296121812).

Almost surely, 2^3297978489 is an apocalyptic number.

3297978489 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3297978489 is a deficient number, since it is larger than the sum of its proper divisors (1439970503).

3297978489 is a wasteful number, since it uses less digits than its factorization.

3297978489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42696.

The product of its digits is 54867456, while the sum is 66.

The square root of 3297978489 is about 57428.0287751547. The cubic root of 3297978489 is about 1488.5014871399.

The spelling of 3297978489 in words is "three billion, two hundred ninety-seven million, nine hundred seventy-eight thousand, four hundred eighty-nine".