424386429 has 4 divisors (see below), whose sum is σ = 565848576. Its totient is φ = 282924284.

The previous prime is 424386427. The next prime is 424386461. The reversal of 424386429 is 924683424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424386429 - 2¹ = 424386427 is a prime.

It is a super-2 number, since 2×424386429² = 360207682238744082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424386427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70731069 + ... + 70731074.

It is an arithmetic number, because the mean of its divisors is an integer number (141462144).

Almost surely, 2^424386429 is an apocalyptic number.

It is an amenable number.

424386429 is a deficient number, since it is larger than the sum of its proper divisors (141462147).

424386429 is a wasteful number, since it uses less digits than its factorization.

424386429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141462146.

The product of its digits is 331776, while the sum is 42.

The square root of 424386429 is about 20600.6414705950. The cubic root of 424386429 is about 751.4853107497.

The spelling of 424386429 in words is "four hundred twenty-four million, three hundred eighty-six thousand, four hundred twenty-nine".