987371386 has 4 divisors (see below), whose sum is σ = 1481057082. Its totient is φ = 493685692.

The previous prime is 987371321. The next prime is 987371417. The reversal of 987371386 is 683173789.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 516698361 + 470673025 = 22731^2 + 21695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246842845 + ... + 246842848.

Almost surely, 2^987371386 is an apocalyptic number.

987371386 is a deficient number, since it is larger than the sum of its proper divisors (493685696).

987371386 is a wasteful number, since it uses less digits than its factorization.

987371386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493685695.

The product of its digits is 1524096, while the sum is 52.

The square root of 987371386 is about 31422.4662622144. The cubic root of 987371386 is about 995.7726164102.

The spelling of 987371386 in words is "nine hundred eighty-seven million, three hundred seventy-one thousand, three hundred eighty-six".