3984249821090 has 128 divisors (see below), whose sum is σ = 8969089844736. Its totient is φ = 1237985280000.

The previous prime is 3984249821063. The next prime is 3984249821161. The reversal of 3984249821090 is 901289424893.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 704301542 + ... + 704307198.

It is an arithmetic number, because the mean of its divisors is an integer number (70071014412).

Almost surely, 2^{3984249821090} is an apocalyptic number.

3984249821090 is an abundant number, since it is smaller than the sum of its proper divisors (4984840023646).

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

3984249821090 is a wasteful number, since it uses less digits than its factorization.

3984249821090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 3984249821090 in words is "three trillion, nine hundred eighty-four billion, two hundred forty-nine million, eight hundred twenty-one thousand, ninety".