9700421 has 4 divisors (see below), whose sum is σ = 10271052. Its totient is φ = 9129792.

The previous prime is 9700417. The next prime is 9700429. The reversal of 9700421 is 1240079.

9700421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240079 = 857 ⋅1447.

It can be written as a sum of positive squares in 2 ways, for example, as 5244100 + 4456321 = 2290^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 9700421 - 2² = 9700417 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 (9700429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285290 + ... + 285323.

It is an arithmetic number, because the mean of its divisors is an integer number (2567763).

Almost surely, 2^9700421 is an apocalyptic number.

It is an amenable number.

9700421 is a deficient number, since it is larger than the sum of its proper divisors (570631).

9700421 is a wasteful number, since it uses less digits than its factorization.

9700421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570630.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 9700421 is about 3114.5498872229. The cubic root of 9700421 is about 213.2702089169.

The spelling of 9700421 in words is "nine million, seven hundred thousand, four hundred twenty-one".