94809440 has 96 divisors (see below), whose sum is σ = 247193856. Its totient is φ = 34076160.

The previous prime is 94809431. The next prime is 94809443. The reversal of 94809440 is 4490849.

It is a super-2 number, since 2×94809440² = 17977659826227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94809394 and 94809403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94809443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181019 + ... + 181541.

It is an arithmetic number, because the mean of its divisors is an integer number (2574936).

Almost surely, 2^94809440 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 94809440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123596928).

94809440 is an abundant number, since it is smaller than the sum of its proper divisors (152384416).

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

94809440 is a wasteful number, since it uses less digits than its factorization.

94809440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 94809440 is about 9737.0139159806. The cubic root of 94809440 is about 455.9849692388.

The spelling of 94809440 in words is "ninety-four million, eight hundred nine thousand, four hundred forty".