988963929 has 12 divisors (see below), whose sum is σ = 1430699556. Its totient is φ = 658295712.

The previous prime is 988963879. The next prime is 988963951. The reversal of 988963929 is 929369889.

It can be written as a sum of positive squares in 2 ways, for example, as 139358025 + 849605904 = 11805^2 + 29148^2 .

It is a de Polignac number, because none of the positive numbers 2^k-988963929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988963979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78262 + ... + 90015.

It is an arithmetic number, because the mean of its divisors is an integer number (119224963).

Almost surely, 2^988963929 is an apocalyptic number.

It is an amenable number.

988963929 is a deficient number, since it is larger than the sum of its proper divisors (441735627).

988963929 is a wasteful number, since it uses less digits than its factorization.

988963929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168936 (or 168933 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 988963929 is about 31447.7968862685. The cubic root of 988963929 is about 996.3076933173.

The spelling of 988963929 in words is "nine hundred eighty-eight million, nine hundred sixty-three thousand, nine hundred twenty-nine".