39093989284 has 81 divisors (see below), whose sum is σ = 82592699553. Its totient is φ = 16143605856.

The previous prime is 39093989281. The next prime is 39093989309. The reversal of 39093989284 is 48298939093.

It is a happy number.

The square root of 39093989284 is 197722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20499939684 + 18594049600 = 143178^2 + 136360^2 .

It is not an unprimeable number, because it can be changed into a prime (39093989281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80274889 + ... + 80275375.

Almost surely, 2^39093989284 is an apocalyptic number.

39093989284 is the 197722-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39093989284

39093989284 is an abundant number, since it is smaller than the sum of its proper divisors (43498710269).

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

39093989284 is an equidigital number, since it uses as much as digits as its factorization.

39093989284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 64.

Multiplying 39093989284 by its sum of digits (64), we get a square (2502015314176 = 1581776²).

The spelling of 39093989284 in words is "thirty-nine billion, ninety-three million, nine hundred eighty-nine thousand, two hundred eighty-four".