437434 has 4 divisors (see below), whose sum is σ = 656154. Its totient is φ = 218716.

The previous prime is 437413. The next prime is 437467. The reversal of 437434 is 434734.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434734 = 2 ⋅217367.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 11025 = 653^2 + 105^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 437399 and 437408.

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 as a sum of consecutive naturals, namely, 109357 + ... + 109360.

2⁴³⁷⁴³⁴ is an apocalyptic number.

437434 is a deficient number, since it is larger than the sum of its proper divisors (218720).

437434 is a wasteful number, since it uses less digits than its factorization.

437434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218719.

The product of its digits is 4032, while the sum is 25.

The square root of 437434 is about 661.3879345740. The cubic root of 437434 is about 75.9109066788.

The spelling of 437434 in words is "four hundred thirty-seven thousand, four hundred thirty-four".