43094961 has 36 divisors (see below), whose sum is σ = 77991732. Its totient is φ = 22728384.

The previous prime is 43094951. The next prime is 43094963. The reversal of 43094961 is 16949034.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 18533025 = 4956^2 + 4305^2 .

It is not a de Polignac number, because 43094961 - 2¹¹ = 43092913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43094963) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1975 + ... + 9491.

It is an arithmetic number, because the mean of its divisors is an integer number (2166437).

Almost surely, 2^43094961 is an apocalyptic number.

It is an amenable number.

43094961 is a deficient number, since it is larger than the sum of its proper divisors (34896771).

43094961 is a wasteful number, since it uses less digits than its factorization.

43094961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550 (or 7540 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 43094961 is about 6564.6752394920. The cubic root of 43094961 is about 350.5975126917.

The spelling of 43094961 in words is "forty-three million, ninety-four thousand, nine hundred sixty-one".