93449840 has 80 divisors (see below), whose sum is σ = 239556096. Its totient is φ = 33619200.

The previous prime is 93449819. The next prime is 93449843. The reversal of 93449840 is 4894439.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93449843) 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, 90125 + ... + 91155.

Almost surely, 2^93449840 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 93449840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119778048).

93449840 is an abundant number, since it is smaller than the sum of its proper divisors (146106256).

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

93449840 is a wasteful number, since it uses less digits than its factorization.

93449840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 93449840 is about 9666.9457430980. The cubic root of 93449840 is about 453.7948059380.

The spelling of 93449840 in words is "ninety-three million, four hundred forty-nine thousand, eight hundred forty".