96641820 has 72 divisors (see below), whose sum is σ = 319803120. Its totient is φ = 23427840.

The previous prime is 96641819. The next prime is 96641851. The reversal of 96641820 is 2814669.

96641820 is a `hidden beast` number, since 9 + 6 + 641 + 8 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22425 + ... + 26384.

It is an arithmetic number, because the mean of its divisors is an integer number (4441710).

Almost surely, 2^96641820 is an apocalyptic number.

96641820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

96641820 is an abundant number, since it is smaller than the sum of its proper divisors (223161300).

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

96641820 is a wasteful number, since it uses less digits than its factorization.

96641820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48835 (or 48830 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 96641820 is about 9830.6571499570. The cubic root of 96641820 is about 458.9038487420.

It can be divided in two parts, 96641 and 820, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 96641820 in words is "ninety-six million, six hundred forty-one thousand, eight hundred twenty".