988905673 has 16 divisors (see below), whose sum is σ = 1228042240. Its totient is φ = 777114000.

The previous prime is 988905653. The next prime is 988905683. The reversal of 988905673 is 376509889.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988905673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988905653) 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, 115803 + ... + 124048.

It is an arithmetic number, because the mean of its divisors is an integer number (76752640).

Almost surely, 2^988905673 is an apocalyptic number.

It is an amenable number.

988905673 is a deficient number, since it is larger than the sum of its proper divisors (239136567).

988905673 is a wasteful number, since it uses less digits than its factorization.

988905673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239908.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 988905673 is about 31446.8706392226. The cubic root of 988905673 is about 996.2881300690.

The spelling of 988905673 in words is "nine hundred eighty-eight million, nine hundred five thousand, six hundred seventy-three".