330496921 has 4 divisors (see below), whose sum is σ = 341158144. Its totient is φ = 319835700.

The previous prime is 330496919. The next prime is 330496939. The reversal of 330496921 is 129694033.

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 not a de Polignac number, because 330496921 - 2¹ = 330496919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330496981) 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, 5330565 + ... + 5330626.

It is an arithmetic number, because the mean of its divisors is an integer number (85289536).

Almost surely, 2^330496921 is an apocalyptic number.

330496921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

330496921 is a deficient number, since it is larger than the sum of its proper divisors (10661223).

330496921 is a wasteful number, since it uses less digits than its factorization.

330496921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661222.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 330496921 is about 18179.5742799440. The cubic root of 330496921 is about 691.3890111054.

The spelling of 330496921 in words is "three hundred thirty million, four hundred ninety-six thousand, nine hundred twenty-one".