94603981 has 4 divisors (see below), whose sum is σ = 95743872. Its totient is φ = 93464092.

The previous prime is 94603969. The next prime is 94604009. The reversal of 94603981 is 18930649.

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 94603981 - 2¹⁷ = 94472909 is a prime.

It is a super-2 number, since 2×94603981² = 17899826442096722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94603921) 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, 569821 + ... + 569986.

It is an arithmetic number, because the mean of its divisors is an integer number (23935968).

Almost surely, 2^94603981 is an apocalyptic number.

It is an amenable number.

94603981 is a deficient number, since it is larger than the sum of its proper divisors (1139891).

94603981 is a wasteful number, since it uses less digits than its factorization.

94603981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139890.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 94603981 is about 9726.4577827696. The cubic root of 94603981 is about 455.6553467443.

The spelling of 94603981 in words is "ninety-four million, six hundred three thousand, nine hundred eighty-one".