94440215 has 4 divisors (see below), whose sum is σ = 113328264. Its totient is φ = 75552168.

The previous prime is 94440209. The next prime is 94440217. The reversal of 94440215 is 51204449.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 94440215 - 2¹² = 94436119 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 (94440217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9444017 + ... + 9444026.

It is an arithmetic number, because the mean of its divisors is an integer number (28332066).

Almost surely, 2^94440215 is an apocalyptic number.

94440215 is a deficient number, since it is larger than the sum of its proper divisors (18888049).

94440215 is a wasteful number, since it uses less digits than its factorization.

94440215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18888048.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 94440215 is about 9718.0355525178. The cubic root of 94440215 is about 455.3922713003.

The spelling of 94440215 in words is "ninety-four million, four hundred forty thousand, two hundred fifteen".