96618421 has 2 divisors, whose sum is σ = 96618422. Its totient is φ = 96618420.

The previous prime is 96618409. The next prime is 96618437. The reversal of 96618421 is 12481669.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 15888196 = 8985^2 + 3986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96618421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96618481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48309210 + 48309211.

It is an arithmetic number, because the mean of its divisors is an integer number (48309211).

Almost surely, 2^96618421 is an apocalyptic number.

It is an amenable number.

96618421 is a deficient number, since it is larger than the sum of its proper divisors (1).

96618421 is an equidigital number, since it uses as much as digits as its factorization.

96618421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 96618421 is about 9829.4669743583. The cubic root of 96618421 is about 458.8668090219.

The spelling of 96618421 in words is "ninety-six million, six hundred eighteen thousand, four hundred twenty-one".