96644821 has 8 divisors (see below), whose sum is σ = 118947584. Its totient is φ = 76466160.

The previous prime is 96644809. The next prime is 96644839. The reversal of 96644821 is 12844669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 96644821 - 2⁹ = 96644309 is a prime.

It is a super-2 number, since 2×96644821² = 18680442852244082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96644221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530925 + ... + 531106.

It is an arithmetic number, because the mean of its divisors is an integer number (14868448).

Almost surely, 2^96644821 is an apocalyptic number.

96644821 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

96644821 is a deficient number, since it is larger than the sum of its proper divisors (22302763).

96644821 is a wasteful number, since it uses less digits than its factorization.

96644821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062051.

The product of its digits is 82944, while the sum is 40.

The square root of 96644821 is about 9830.8097835326. The cubic root of 96644821 is about 458.9085987774.

The spelling of 96644821 in words is "ninety-six million, six hundred forty-four thousand, eight hundred twenty-one".