94039481 has 2 divisors, whose sum is σ = 94039482. Its totient is φ = 94039480.

The previous prime is 94039453. The next prime is 94039483. The reversal of 94039481 is 18493049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69039481 + 25000000 = 8309^2 + 5000^2 .

It is a cyclic number.

It is not a de Polignac number, because 94039481 - 2¹⁰ = 94038457 is a prime.

It is a super-2 number, since 2×94039481² = 17686847973498722, which contains 22 as substring.

Together with 94039483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94039483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47019740 + 47019741.

It is an arithmetic number, because the mean of its divisors is an integer number (47019741).

Almost surely, 2^94039481 is an apocalyptic number.

It is an amenable number.

94039481 is a deficient number, since it is larger than the sum of its proper divisors (1).

94039481 is an equidigital number, since it uses as much as digits as its factorization.

94039481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 94039481 is about 9697.3955781952. The cubic root of 94039481 is about 454.7472427830.

The spelling of 94039481 in words is "ninety-four million, thirty-nine thousand, four hundred eighty-one".