94243140 has 36 divisors (see below), whose sum is σ = 285871404. Its totient is φ = 25131456.

The previous prime is 94243111. The next prime is 94243147. The reversal of 94243140 is 4134249.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 67864644 = 5136^2 + 8238^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (94243147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 261607 + ... + 261966.

Almost surely, 2^94243140 is an apocalyptic number.

94243140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

94243140 is an abundant number, since it is smaller than the sum of its proper divisors (191628264).

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

94243140 is a wasteful number, since it uses less digits than its factorization.

94243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523588 (or 523583 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 94243140 is about 9707.8906050697. The cubic root of 94243140 is about 455.0752844070.

Adding to 94243140 its reverse (4134249), we get a palindrome (98377389).

The spelling of 94243140 in words is "ninety-four million, two hundred forty-three thousand, one hundred forty".