424089791 has 4 divisors (see below), whose sum is σ = 427842912. Its totient is φ = 420336672.

The previous prime is 424089781. The next prime is 424089821. The reversal of 424089791 is 197980424.

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

It is a cyclic number.

It is not a de Polignac number, because 424089791 - 2⁶ = 424089727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424089761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876391 + ... + 1876616.

It is an arithmetic number, because the mean of its divisors is an integer number (106960728).

Almost surely, 2^424089791 is an apocalyptic number.

424089791 is a deficient number, since it is larger than the sum of its proper divisors (3753121).

424089791 is a wasteful number, since it uses less digits than its factorization.

424089791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753120.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 424089791 is about 20593.4404847757. The cubic root of 424089791 is about 751.3101786505.

The spelling of 424089791 in words is "four hundred twenty-four million, eighty-nine thousand, seven hundred ninety-one".