988142386 has 64 divisors (see below), whose sum is σ = 1961994240. Its totient is φ = 364597200.

The previous prime is 988142383. The next prime is 988142447. The reversal of 988142386 is 683241889.

It is not an unprimeable number, because it can be changed into a prime (988142383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352651 + ... + 355441.

It is an arithmetic number, because the mean of its divisors is an integer number (30656160).

Almost surely, 2^988142386 is an apocalyptic number.

988142386 is a deficient number, since it is larger than the sum of its proper divisors (973851854).

988142386 is a wasteful number, since it uses less digits than its factorization.

988142386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2830 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 988142386 is about 31434.7321604623. The cubic root of 988142386 is about 996.0317357081.

The spelling of 988142386 in words is "nine hundred eighty-eight million, one hundred forty-two thousand, three hundred eighty-six".