9974429 has 4 divisors (see below), whose sum is σ = 9984576. Its totient is φ = 9964284.

The previous prime is 9974407. The next prime is 9974431. The reversal of 9974429 is 9244799.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9974429 - 2¹² = 9970333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9974429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (2496144).

Almost surely, 2^9974429 is an apocalyptic number.

It is an amenable number.

9974429 is a deficient number, since it is larger than the sum of its proper divisors (10147).

9974429 is a wasteful number, since it uses less digits than its factorization.

9974429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its digits is 163296, while the sum is 44.

The square root of 9974429 is about 3158.2319420841. The cubic root of 9974429 is about 215.2596754230.

The spelling of 9974429 in words is "nine million, nine hundred seventy-four thousand, four hundred twenty-nine".