424021235 has 16 divisors (see below), whose sum is σ = 555489792. Its totient is φ = 308152800.

The previous prime is 424021229. The next prime is 424021243. The reversal of 424021235 is 532120424.

It is a happy number.

It is not a de Polignac number, because 424021235 - 2⁴ = 424021219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424021235.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124100 + ... + 127470.

It is an arithmetic number, because the mean of its divisors is an integer number (34718112).

Almost surely, 2^424021235 is an apocalyptic number.

424021235 is a deficient number, since it is larger than the sum of its proper divisors (131468557).

424021235 is a wasteful number, since it uses less digits than its factorization.

424021235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 424021235 is about 20591.7759069003. The cubic root of 424021235 is about 751.2696922587.

Adding to 424021235 its reverse (532120424), we get a palindrome (956141659).

The spelling of 424021235 in words is "four hundred twenty-four million, twenty-one thousand, two hundred thirty-five".