94381540 has 24 divisors (see below), whose sum is σ = 216220032. Its totient is φ = 34320480.

The previous prime is 94381523. The next prime is 94381559. The reversal of 94381540 is 4518349.

It is a junction number, because it is equal to n+sod(n) for n = 94381496 and 94381505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214284 + ... + 214723.

It is an arithmetic number, because the mean of its divisors is an integer number (9009168).

Almost surely, 2^94381540 is an apocalyptic number.

It is an amenable number.

94381540 is an abundant number, since it is smaller than the sum of its proper divisors (121838492).

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

94381540 is a wasteful number, since it uses less digits than its factorization.

94381540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429027 (or 429025 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 94381540 is about 9715.0162120297. The cubic root of 94381540 is about 455.2979411568.

Adding to 94381540 its reverse (4518349), we get a palindrome (98899889).

The spelling of 94381540 in words is "ninety-four million, three hundred eighty-one thousand, five hundred forty".