94049281 has 4 divisors (see below), whose sum is σ = 94980564. Its totient is φ = 93118000.

The previous prime is 94049273. The next prime is 94049311. The reversal of 94049281 is 18294049.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18294049 = 43 ⋅425443.

It can be written as a sum of positive squares in 2 ways, for example, as 63744256 + 30305025 = 7984^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 94049281 - 2³ = 94049273 is a prime.

It is a super-2 number, since 2×94049281² = 17690534513233922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94049281.

It is not an unprimeable number, because it can be changed into a prime (94049261) 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, 465490 + ... + 465691.

It is an arithmetic number, because the mean of its divisors is an integer number (23745141).

Almost surely, 2^94049281 is an apocalyptic number.

It is an amenable number.

94049281 is a deficient number, since it is larger than the sum of its proper divisors (931283).

94049281 is a wasteful number, since it uses less digits than its factorization.

94049281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931282.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 94049281 is about 9697.9008553398. The cubic root of 94049281 is about 454.7630388726.

The spelling of 94049281 in words is "ninety-four million, forty-nine thousand, two hundred eighty-one".