94021209 has 16 divisors (see below), whose sum is σ = 139751040. Its totient is φ = 62473680.

The previous prime is 94021163. The next prime is 94021211. The reversal of 94021209 is 90212049.

It is not a de Polignac number, because 94021209 - 2¹² = 94017113 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (94021229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (8734440).

Almost surely, 2^94021209 is an apocalyptic number.

It is an amenable number.

94021209 is a deficient number, since it is larger than the sum of its proper divisors (45729831).

94021209 is a wasteful number, since it uses less digits than its factorization.

94021209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 94021209 is about 9696.4534238040. The cubic root of 94021209 is about 454.7177882045.

The spelling of 94021209 in words is "ninety-four million, twenty-one thousand, two hundred nine".