3983936401620 has 240 divisors, whose sum is σ = 14298562333440. Its totient is φ = 909631420416.

The previous prime is 3983936401609. The next prime is 3983936401631. The reversal of 3983936401620 is 261046393893.

3983936401620 is a `hidden beast` number, since 3 + 9 + 8 + 3 + 9 + 3 + 6 + 4 + 0 + 1 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (3983936401609) and next prime (3983936401631).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10345777 + ... + 10723943.

It is an arithmetic number, because the mean of its divisors is an integer number (59577343056).

Almost surely, 2^{3983936401620} is an apocalyptic number.

3983936401620 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 3983936401620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7149281166720).

3983936401620 is an abundant number, since it is smaller than the sum of its proper divisors (10314625931820).

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

3983936401620 is a wasteful number, since it uses less digits than its factorization.

3983936401620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379124 (or 379113 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 3983936401620 in words is "three trillion, nine hundred eighty-three billion, nine hundred thirty-six million, four hundred one thousand, six hundred twenty".