43091034 has 32 divisors (see below), whose sum is σ = 98768256. Its totient is φ = 12277440.

The previous prime is 43091033. The next prime is 43091047. The reversal of 43091034 is 43019034.

It is a super-2 number, since 2×43091034² = 3713674422378312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43090995 and 43091013.

It is not an unprimeable number, because it can be changed into a prime (43091033) 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, 16464 + ... + 18900.

It is an arithmetic number, because the mean of its divisors is an integer number (3086508).

Almost surely, 2^43091034 is an apocalyptic number.

43091034 is an abundant number, since it is smaller than the sum of its proper divisors (55677222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43091034 is a wasteful number, since it uses less digits than its factorization.

43091034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 43091034 is about 6564.3761318194. The cubic root of 43091034 is about 350.5868630455.

The spelling of 43091034 in words is "forty-three million, ninety-one thousand, thirty-four".