43974194 has 8 divisors (see below), whose sum is σ = 71957808. Its totient is φ = 19988260.

The previous prime is 43974173. The next prime is 43974199. The reversal of 43974194 is 49147934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43974199) 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, 999392 + ... + 999435.

It is an arithmetic number, because the mean of its divisors is an integer number (8994726).

Almost surely, 2^43974194 is an apocalyptic number.

43974194 is a deficient number, since it is larger than the sum of its proper divisors (27983614).

43974194 is a wasteful number, since it uses less digits than its factorization.

43974194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998840.

The product of its digits is 108864, while the sum is 41.

The square root of 43974194 is about 6631.3040949726. The cubic root of 43974194 is about 352.9658017252.

The spelling of 43974194 in words is "forty-three million, nine hundred seventy-four thousand, one hundred ninety-four".