94238981 has 4 divisors (see below), whose sum is σ = 98336352. Its totient is φ = 90141612.

The previous prime is 94238957. The next prime is 94238983. The reversal of 94238981 is 18983249.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18983249 = 479 ⋅39631.

It is a cyclic number.

It is not a de Polignac number, because 94238981 - 2¹⁸ = 93976837 is a prime.

It is a super-2 number, since 2×94238981² = 17761971079836722, 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 (94238983) 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, 2048651 + ... + 2048696.

It is an arithmetic number, because the mean of its divisors is an integer number (24584088).

Almost surely, 2^94238981 is an apocalyptic number.

It is an amenable number.

94238981 is a deficient number, since it is larger than the sum of its proper divisors (4097371).

94238981 is a wasteful number, since it uses less digits than its factorization.

94238981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097370.

The product of its digits is 124416, while the sum is 44.

The square root of 94238981 is about 9707.6763955130. The cubic root of 94238981 is about 455.0685900703.

The spelling of 94238981 in words is "ninety-four million, two hundred thirty-eight thousand, nine hundred eighty-one".