988942147 has 2 divisors, whose sum is σ = 988942148. Its totient is φ = 988942146.

The previous prime is 988942133. The next prime is 988942151. The reversal of 988942147 is 741249889.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988942147 is a prime.

It is a super-2 number, since 2×988942147² = 1956013140225939218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 988942094 and 988942103.

It is not a weakly prime, because it can be changed into another prime (988943147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494471073 + 494471074.

It is an arithmetic number, because the mean of its divisors is an integer number (494471074).

Almost surely, 2^988942147 is an apocalyptic number.

988942147 is a deficient number, since it is larger than the sum of its proper divisors (1).

988942147 is an equidigital number, since it uses as much as digits as its factorization.

988942147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 52.

The square root of 988942147 is about 31447.4505643939. The cubic root of 988942147 is about 996.3003786812.

The spelling of 988942147 in words is "nine hundred eighty-eight million, nine hundred forty-two thousand, one hundred forty-seven".