8997739 has 4 divisors (see below), whose sum is σ = 9022624. Its totient is φ = 8972856.

The previous prime is 8997733. The next prime is 8997767. The reversal of 8997739 is 9377998.

8997739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8997739 - 2¹⁷ = 8866667 is a prime.

It is a super-2 number, since 2×8997739² = 161918614224242, which contains 22 as substring.

It is a Duffinian number.

8997739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8997733) 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, 11892 + ... + 12625.

It is an arithmetic number, because the mean of its divisors is an integer number (2255656).

Almost surely, 2^8997739 is an apocalyptic number.

8997739 is a deficient number, since it is larger than the sum of its proper divisors (24885).

8997739 is a wasteful number, since it uses less digits than its factorization.

8997739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24884.

The product of its digits is 857304, while the sum is 52.

The square root of 8997739 is about 2999.6231429965. The cubic root of 8997739 is about 207.9909620703.

The spelling of 8997739 in words is "eight million, nine hundred ninety-seven thousand, seven hundred thirty-nine".