330897408 has 48 divisors (see below), whose sum is σ = 882194040. Its totient is φ = 110297088.

The previous prime is 330897397. The next prime is 330897409. The reversal of 330897408 is 804798033.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×330897408² = 218986189242236928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330897408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330897409) 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, 20785 + ... + 33072.

Almost surely, 2^330897408 is an apocalyptic number.

It is an amenable number.

330897408 is an abundant number, since it is smaller than the sum of its proper divisors (551296632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330897408 is an equidigital number, since it uses as much as digits as its factorization.

330897408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53882 (or 53862 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 330897408 is about 18190.5856970027. The cubic root of 330897408 is about 691.6681670521.

The spelling of 330897408 in words is "three hundred thirty million, eight hundred ninety-seven thousand, four hundred eight".