331898849 has 8 divisors (see below), whose sum is σ = 335702400. Its totient is φ = 328114800.

The previous prime is 331898797. The next prime is 331898863. The reversal of 331898849 is 948898133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331898849 is a prime.

It is a super-2 number, since 2×331898849² = 220313691935049602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331898849.

It is not an unprimeable number, because it can be changed into a prime (331898449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30827 + ... + 40175.

It is an arithmetic number, because the mean of its divisors is an integer number (41962800).

Almost surely, 2^331898849 is an apocalyptic number.

It is an amenable number.

331898849 is a deficient number, since it is larger than the sum of its proper divisors (3803551).

331898849 is a wasteful number, since it uses less digits than its factorization.

331898849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751.

The product of its digits is 1492992, while the sum is 53.

The square root of 331898849 is about 18218.0912556722. The cubic root of 331898849 is about 692.3652282834.

The spelling of 331898849 in words is "three hundred thirty-one million, eight hundred ninety-eight thousand, eight hundred forty-nine".