9970429 has 4 divisors (see below), whose sum is σ = 11394784. Its totient is φ = 8546076.

The previous prime is 9970423. The next prime is 9970463. The reversal of 9970429 is 9240799.

9970429 is digitally balanced in base 2 and base 8, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9240799 = 283 ⋅32653.

It is not a de Polignac number, because 9970429 - 2⁵ = 9970397 is a prime.

It is an Ulam number.

It is a Duffinian number.

9970429 is strictly pandigital in base 8.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 9970391 and 9970400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970423) 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, 712167 + ... + 712180.

It is an arithmetic number, because the mean of its divisors is an integer number (2848696).

Almost surely, 2^9970429 is an apocalyptic number.

It is an amenable number.

9970429 is a deficient number, since it is larger than the sum of its proper divisors (1424355).

9970429 is a wasteful number, since it uses less digits than its factorization.

9970429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424354.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9970429 is about 3157.5986128702. The cubic root of 9970429 is about 215.2308967054.

The spelling of 9970429 in words is "nine million, nine hundred seventy thousand, four hundred twenty-nine".