8938749 has 4 divisors (see below), whose sum is σ = 11918336. Its totient is φ = 5959164.

The previous prime is 8938739. The next prime is 8938799. The reversal of 8938749 is 9478398.

8938749 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 8938749 - 2¹³ = 8930557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8938698 and 8938707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8938729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489789 + ... + 1489794.

It is an arithmetic number, because the mean of its divisors is an integer number (2979584).

Almost surely, 2^8938749 is an apocalyptic number.

It is an amenable number.

8938749 is a deficient number, since it is larger than the sum of its proper divisors (2979587).

8938749 is a wasteful number, since it uses less digits than its factorization.

8938749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979586.

The product of its digits is 435456, while the sum is 48.

The square root of 8938749 is about 2989.7740717318. The cubic root of 8938749 is about 207.5354291853.

The spelling of 8938749 in words is "eight million, nine hundred thirty-eight thousand, seven hundred forty-nine".