94216440 has 192 divisors, whose sum is σ = 314582400. Its totient is φ = 22498560.

The previous prime is 94216417. The next prime is 94216511. The reversal of 94216440 is 4461249.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 94216398 and 94216407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2191059 + ... + 2191101.

It is an arithmetic number, because the mean of its divisors is an integer number (1638450).

Almost surely, 2^94216440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94216440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157291200).

94216440 is an abundant number, since it is smaller than the sum of its proper divisors (220365960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

94216440 is a wasteful number, since it uses less digits than its factorization.

94216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 94216440 is about 9706.5153376482. The cubic root of 94216440 is about 455.0323045936.

Adding to 94216440 its reverse (4461249), we get a palindrome (98677689).

The spelling of 94216440 in words is "ninety-four million, two hundred sixteen thousand, four hundred forty".