9964238 has 4 divisors (see below), whose sum is σ = 14946360. Its totient is φ = 4982118.

The previous prime is 9964217. The next prime is 9964247. The reversal of 9964238 is 8324699.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 9964195 and 9964204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2491058 + ... + 2491061.

It is an arithmetic number, because the mean of its divisors is an integer number (3736590).

Almost surely, 2^9964238 is an apocalyptic number.

9964238 is a deficient number, since it is larger than the sum of its proper divisors (4982122).

9964238 is a wasteful number, since it uses less digits than its factorization.

9964238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982121.

The product of its digits is 93312, while the sum is 41.

The square root of 9964238 is about 3156.6181270467. The cubic root of 9964238 is about 215.1863392654.

The spelling of 9964238 in words is "nine million, nine hundred sixty-four thousand, two hundred thirty-eight".