94268821 has 8 divisors (see below), whose sum is σ = 99361080. Its totient is φ = 89299392.

The previous prime is 94268813. The next prime is 94268831. The reversal of 94268821 is 12886249.

It can be written as a sum of positive squares in 4 ways, for example, as 52200625 + 42068196 = 7225^2 + 6486^2 .

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 94268821 - 2³ = 94268813 is a prime.

It is a super-2 number, since 2×94268821² = 17773221225460082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94268831) 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, 29130 + ... + 32203.

It is an arithmetic number, because the mean of its divisors is an integer number (12420135).

Almost surely, 2^94268821 is an apocalyptic number.

It is an amenable number.

94268821 is a deficient number, since it is larger than the sum of its proper divisors (5092259).

94268821 is a wasteful number, since it uses less digits than its factorization.

94268821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61415.

The product of its digits is 55296, while the sum is 40.

The square root of 94268821 is about 9709.2132019026. The cubic root of 94268821 is about 455.1166162465.

The spelling of 94268821 in words is "ninety-four million, two hundred sixty-eight thousand, eight hundred twenty-one".