94051821 has 16 divisors (see below), whose sum is σ = 127005120. Its totient is φ = 61904640.

The previous prime is 94051819. The next prime is 94051829. The reversal of 94051821 is 12815049.

It is a happy number.

It is not a de Polignac number, because 94051821 - 2¹ = 94051819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94051829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142390 + ... + 143048.

It is an arithmetic number, because the mean of its divisors is an integer number (7937820).

Almost surely, 2^94051821 is an apocalyptic number.

It is an amenable number.

94051821 is a deficient number, since it is larger than the sum of its proper divisors (32953299).

94051821 is a wasteful number, since it uses less digits than its factorization.

94051821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 94051821 is about 9698.0318106304. The cubic root of 94051821 is about 454.7671327820.

The spelling of 94051821 in words is "ninety-four million, fifty-one thousand, eight hundred twenty-one".