437942 has 4 divisors (see below), whose sum is σ = 656916. Its totient is φ = 218970.

The previous prime is 437923. The next prime is 437947. The reversal of 437942 is 249734.

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

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (437947) by changing a digit.

437942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109484 + ... + 109487.

It is an arithmetic number, because the mean of its divisors is an integer number (164229).

2⁴³⁷⁹⁴² is an apocalyptic number.

437942 is a deficient number, since it is larger than the sum of its proper divisors (218974).

437942 is a wasteful number, since it uses less digits than its factorization.

437942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218973.

The product of its digits is 6048, while the sum is 29.

The square root of 437942 is about 661.7718640136. The cubic root of 437942 is about 75.9402808795.

The spelling of 437942 in words is "four hundred thirty-seven thousand, nine hundred forty-two".