3997029330 has 192 divisors, whose sum is σ = 12385271808. Its totient is φ = 875111040.

The previous prime is 3997029287. The next prime is 3997029349. The reversal of 3997029330 is 339207993.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2010597 + ... + 2012583.

It is an arithmetic number, because the mean of its divisors is an integer number (64506624).

Almost surely, 2^3997029330 is an apocalyptic number.

3997029330 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 3997029330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6192635904).

3997029330 is an abundant number, since it is smaller than the sum of its proper divisors (8388242478).

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

3997029330 is a wasteful number, since it uses less digits than its factorization.

3997029330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 45.

The square root of 3997029330 is about 63222.0636328806. The cubic root of 3997029330 is about 1587.0079842557.

The spelling of 3997029330 in words is "three billion, nine hundred ninety-seven million, twenty-nine thousand, three hundred thirty".