8513438 has 8 divisors (see below), whose sum is σ = 12787632. Its totient is φ = 4250896.

The previous prime is 8513431. The next prime is 8513459. The reversal of 8513438 is 8343158.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513431) 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 3 ways as a sum of consecutive naturals, for example, 770 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (1598454).

Almost surely, 2^8513438 is an apocalyptic number.

8513438 is a deficient number, since it is larger than the sum of its proper divisors (4274194).

8513438 is a wasteful number, since it uses less digits than its factorization.

8513438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826.

The product of its digits is 11520, while the sum is 32.

The square root of 8513438 is about 2917.7796352706. The cubic root of 8513438 is about 204.1902460804.

The spelling of 8513438 in words is "eight million, five hundred thirteen thousand, four hundred thirty-eight".