94205981 has 4 divisors (see below), whose sum is σ = 94378752. Its totient is φ = 94033212.

The previous prime is 94205957. The next prime is 94205983. The reversal of 94205981 is 18950249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 94205981 - 2²⁶ = 27097117 is a prime.

It is a super-2 number, since 2×94205981² = 17749533712344722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94205983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85565 + ... + 86658.

It is an arithmetic number, because the mean of its divisors is an integer number (23594688).

Almost surely, 2^94205981 is an apocalyptic number.

It is an amenable number.

94205981 is a deficient number, since it is larger than the sum of its proper divisors (172771).

94205981 is a wasteful number, since it uses less digits than its factorization.

94205981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172770.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 94205981 is about 9705.9765608619. The cubic root of 94205981 is about 455.0154662053.

The spelling of 94205981 in words is "ninety-four million, two hundred five thousand, nine hundred eighty-one".