8981797 has 16 divisors (see below), whose sum is σ = 10625472. Its totient is φ = 7499520.

The previous prime is 8981783. The next prime is 8981801. The reversal of 8981797 is 7971898.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8981797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8981797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7483 + ... + 8599.

It is an arithmetic number, because the mean of its divisors is an integer number (664092).

Almost surely, 2^8981797 is an apocalyptic number.

It is an amenable number.

8981797 is a deficient number, since it is larger than the sum of its proper divisors (1643675).

8981797 is a wasteful number, since it uses less digits than its factorization.

8981797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 254016, while the sum is 49.

The square root of 8981797 is about 2996.9646310893. The cubic root of 8981797 is about 207.8680514839.

It can be divided in two parts, 898 and 1797, that multiplied together give a triangular number (1613706 = T₁₇₉₆).

The spelling of 8981797 in words is "eight million, nine hundred eighty-one thousand, seven hundred ninety-seven".