43394694 has 48 divisors (see below), whose sum is σ = 102512448. Its totient is φ = 12207888.

The previous prime is 43394683. The next prime is 43394713. The reversal of 43394694 is 49649334.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18597 + ... + 20799.

It is an arithmetic number, because the mean of its divisors is an integer number (2135676).

Almost surely, 2^43394694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43394694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51256224).

43394694 is an abundant number, since it is smaller than the sum of its proper divisors (59117754).

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

43394694 is a wasteful number, since it uses less digits than its factorization.

43394694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2282 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 43394694 is about 6587.4649145176. The cubic root of 43394694 is about 351.4084578632.

The spelling of 43394694 in words is "forty-three million, three hundred ninety-four thousand, six hundred ninety-four".