43867942 has 4 divisors (see below), whose sum is σ = 65801916. Its totient is φ = 21933970.

The previous prime is 43867937. The next prime is 43867949. The reversal of 43867942 is 24976834.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43867949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10966984 + ... + 10966987.

It is an arithmetic number, because the mean of its divisors is an integer number (16450479).

Almost surely, 2^43867942 is an apocalyptic number.

43867942 is a deficient number, since it is larger than the sum of its proper divisors (21933974).

43867942 is a wasteful number, since it uses less digits than its factorization.

43867942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933973.

The product of its digits is 290304, while the sum is 43.

The square root of 43867942 is about 6623.2878542307. The cubic root of 43867942 is about 352.6812896422.

The spelling of 43867942 in words is "forty-three million, eight hundred sixty-seven thousand, nine hundred forty-two".