3298898921 has 4 divisors (see below), whose sum is σ = 3472525200. Its totient is φ = 3125272644.

The previous prime is 3298898891. The next prime is 3298898923. The reversal of 3298898921 is 1298988923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3298898921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3298898923) 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, 86813111 + ... + 86813148.

It is an arithmetic number, because the mean of its divisors is an integer number (868131300).

Almost surely, 2^3298898921 is an apocalyptic number.

It is an amenable number.

3298898921 is a deficient number, since it is larger than the sum of its proper divisors (173626279).

3298898921 is a wasteful number, since it uses less digits than its factorization.

3298898921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173626278.

The product of its digits is 4478976, while the sum is 59.

The square root of 3298898921 is about 57436.0420032578. The cubic root of 3298898921 is about 1488.6399494300.

The spelling of 3298898921 in words is "three billion, two hundred ninety-eight million, eight hundred ninety-eight thousand, nine hundred twenty-one".