986999402 has 4 divisors (see below), whose sum is σ = 1480499106. Its totient is φ = 493499700.

The previous prime is 986999401. The next prime is 986999449. The reversal of 986999402 is 204999689.

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., 966650281 + 20349121 = 31091^2 + 4511^2 .

It is not an unprimeable number, because it can be changed into a prime (986999401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246749849 + ... + 246749852.

Almost surely, 2^986999402 is an apocalyptic number.

986999402 is a deficient number, since it is larger than the sum of its proper divisors (493499704).

986999402 is a wasteful number, since it uses less digits than its factorization.

986999402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493499703.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 986999402 is about 31416.5466275337. The cubic root of 986999402 is about 995.6475510051.

The spelling of 986999402 in words is "nine hundred eighty-six million, nine hundred ninety-nine thousand, four hundred two".