9620138 has 8 divisors (see below), whose sum is σ = 15742080. Its totient is φ = 4372780.

The previous prime is 9620131. The next prime is 9620153. The reversal of 9620138 is 8310269.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9620138.

It is not an unprimeable number, because it can be changed into a prime (9620131) 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, 218618 + ... + 218661.

It is an arithmetic number, because the mean of its divisors is an integer number (1967760).

Almost surely, 2^9620138 is an apocalyptic number.

9620138 is a deficient number, since it is larger than the sum of its proper divisors (6121942).

9620138 is a wasteful number, since it uses less digits than its factorization.

9620138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437292.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9620138 is about 3101.6347302673. The cubic root of 9620138 is about 212.6802198932.

The spelling of 9620138 in words is "nine million, six hundred twenty thousand, one hundred thirty-eight".