43960091 has 16 divisors (see below), whose sum is σ = 53414400. Its totient is φ = 35339328.

The previous prime is 43960067. The next prime is 43960093. The reversal of 43960091 is 19006934.

It is a cyclic number.

It is not a de Polignac number, because 43960091 - 2¹⁴ = 43943707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43960093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12095 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (3338400).

Almost surely, 2^43960091 is an apocalyptic number.

43960091 is a deficient number, since it is larger than the sum of its proper divisors (9454309).

43960091 is a wasteful number, since it uses less digits than its factorization.

43960091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 43960091 is about 6630.2406441999. The cubic root of 43960091 is about 352.9280643729.

The spelling of 43960091 in words is "forty-three million, nine hundred sixty thousand, ninety-one".