986620438 has 4 divisors (see below), whose sum is σ = 1479930660. Its totient is φ = 493310218.

The previous prime is 986620403. The next prime is 986620451. The reversal of 986620438 is 834026689.

It is a happy number.

986620438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246655108 + ... + 246655111.

It is an arithmetic number, because the mean of its divisors is an integer number (369982665).

Almost surely, 2^986620438 is an apocalyptic number.

986620438 is a deficient number, since it is larger than the sum of its proper divisors (493310222).

986620438 is a wasteful number, since it uses less digits than its factorization.

986620438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493310221.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 986620438 is about 31410.5147681473. The cubic root of 986620438 is about 995.5201065241.

The spelling of 986620438 in words is "nine hundred eighty-six million, six hundred twenty thousand, four hundred thirty-eight".