96781620 has 96 divisors (see below), whose sum is σ = 294432768. Its totient is φ = 23611392.

The previous prime is 96781579. The next prime is 96781639. The reversal of 96781620 is 2618769.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98572 + ... + 99548.

It is an arithmetic number, because the mean of its divisors is an integer number (3067008).

Almost surely, 2^96781620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 96781620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147216384).

96781620 is an abundant number, since it is smaller than the sum of its proper divisors (197651148).

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

96781620 is a wasteful number, since it uses less digits than its factorization.

96781620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 96781620 is about 9837.7649900778. The cubic root of 96781620 is about 459.1250223082.

The spelling of 96781620 in words is "ninety-six million, seven hundred eighty-one thousand, six hundred twenty".