4429426 has 4 divisors (see below), whose sum is σ = 6644142. Its totient is φ = 2214712.

The previous prime is 4429417. The next prime is 4429427. The reversal of 4429426 is 6249244.

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

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 40401 = 2095^2 + 201^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4429427) by changing a digit.

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, 1107355 + ... + 1107358.

Almost surely, 2^4429426 is an apocalyptic number.

4429426 is a deficient number, since it is larger than the sum of its proper divisors (2214716).

4429426 is a wasteful number, since it uses less digits than its factorization.

4429426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214715.

The product of its digits is 13824, while the sum is 31.

The square root of 4429426 is about 2104.6201557526. The cubic root of 4429426 is about 164.2287359524.

The spelling of 4429426 in words is "four million, four hundred twenty-nine thousand, four hundred twenty-six".