3900736320 has 168 divisors, whose sum is σ = 13411358496. Its totient is φ = 960141312.

The previous prime is 3900736319. The next prime is 3900736327. The reversal of 3900736320 is 236370093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900736327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150219 + ... + 174261.

Almost surely, 2^3900736320 is an apocalyptic number.

3900736320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3900736320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6705679248).

3900736320 is an abundant number, since it is smaller than the sum of its proper divisors (9510622176).

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

3900736320 is a wasteful number, since it uses less digits than its factorization.

3900736320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089 (or 24066 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 3900736320 is about 62455.8749838636. The cubic root of 3900736320 is about 1574.1599712982.

The spelling of 3900736320 in words is "three billion, nine hundred million, seven hundred thirty-six thousand, three hundred twenty".