330997590 has 384 divisors, whose sum is σ = 1169925120. Its totient is φ = 65318400.

The previous prime is 330997573. The next prime is 330997603. The reversal of 330997590 is 95799033.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5426160 + ... + 5426220.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^330997590 is an apocalyptic number.

330997590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 330997590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584962560).

330997590 is an abundant number, since it is smaller than the sum of its proper divisors (838927530).

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

330997590 is a wasteful number, since it uses less digits than its factorization.

330997590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 330997590 is about 18193.3391657496. The cubic root of 330997590 is about 691.7379628124.

The spelling of 330997590 in words is "three hundred thirty million, nine hundred ninety-seven thousand, five hundred ninety".