94439040 has 128 divisors (see below), whose sum is σ = 304629120. Its totient is φ = 24883200.

The previous prime is 94439039. The next prime is 94439047. The reversal of 94439040 is 4093449.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×94439040² = 17837464552243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94438992 and 94439010.

It is not an unprimeable number, because it can be changed into a prime (94439047) 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, 193677 + ... + 194163.

It is an arithmetic number, because the mean of its divisors is an integer number (2379915).

Almost surely, 2^94439040 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 94439040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152314560).

94439040 is an abundant number, since it is smaller than the sum of its proper divisors (210190080).

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

94439040 is a wasteful number, since it uses less digits than its factorization.

94439040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 94439040 is about 9717.9750977248. The cubic root of 94439040 is about 455.3903826694.

The spelling of 94439040 in words is "ninety-four million, four hundred thirty-nine thousand, forty".