94199021 has 6 divisors (see below), whose sum is σ = 109578510. Its totient is φ = 80741976.

The previous prime is 94199011. The next prime is 94199029. The reversal of 94199021 is 12099149.

It can be written as a sum of positive squares in only one way, i.e., 71740900 + 22458121 = 8470^2 + 4739^2 .

It is not a de Polignac number, because 94199021 - 2⁶ = 94198957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94199029) 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 5 ways as a sum of consecutive naturals, for example, 961166 + ... + 961263.

It is an arithmetic number, because the mean of its divisors is an integer number (18263085).

Almost surely, 2^94199021 is an apocalyptic number.

It is an amenable number.

94199021 is a deficient number, since it is larger than the sum of its proper divisors (15379489).

94199021 is a wasteful number, since it uses less digits than its factorization.

94199021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922443 (or 1922436 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 94199021 is about 9705.6180122649. The cubic root of 94199021 is about 455.0042603151.

The spelling of 94199021 in words is "ninety-four million, one hundred ninety-nine thousand, twenty-one".