8629438 has 16 divisors (see below), whose sum is σ = 13763520. Its totient is φ = 4043776.

The previous prime is 8629433. The next prime is 8629441. The reversal of 8629438 is 8349268.

It is a self number, because there is not a number n which added to its sum of digits gives 8629438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8629433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11643 + ... + 12361.

It is an arithmetic number, because the mean of its divisors is an integer number (860220).

Almost surely, 2^8629438 is an apocalyptic number.

8629438 is a deficient number, since it is larger than the sum of its proper divisors (5134082).

8629438 is a wasteful number, since it uses less digits than its factorization.

8629438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its digits is 82944, while the sum is 40.

The square root of 8629438 is about 2937.5905092439. The cubic root of 8629438 is about 205.1134648492.

The spelling of 8629438 in words is "eight million, six hundred twenty-nine thousand, four hundred thirty-eight".