797430421 has 8 divisors (see below), whose sum is σ = 812895264. Its totient is φ = 781981200.

The previous prime is 797430419. The next prime is 797430427. The reversal of 797430421 is 124034797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 797430421 - 2¹ = 797430419 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 (797430427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202150 + ... + 206056.

It is an arithmetic number, because the mean of its divisors is an integer number (101611908).

Almost surely, 2^797430421 is an apocalyptic number.

It is an amenable number.

797430421 is a deficient number, since it is larger than the sum of its proper divisors (15464843).

797430421 is a wasteful number, since it uses less digits than its factorization.

797430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 797430421 is about 28238.8105450637. The cubic root of 797430421 is about 927.3227899150.

The spelling of 797430421 in words is "seven hundred ninety-seven million, four hundred thirty thousand, four hundred twenty-one".