98387638 has 8 divisors (see below), whose sum is σ = 150721632. Its totient is φ = 48147096.

The previous prime is 98387623. The next prime is 98387647. The reversal of 98387638 is 83678389.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×98387638² = 19360254622438088, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523245 + ... + 523432.

It is an arithmetic number, because the mean of its divisors is an integer number (18840204).

Almost surely, 2^98387638 is an apocalyptic number.

98387638 is a deficient number, since it is larger than the sum of its proper divisors (52333994).

98387638 is a wasteful number, since it uses less digits than its factorization.

98387638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046726.

The product of its digits is 1741824, while the sum is 52.

The square root of 98387638 is about 9919.0542895984. The cubic root of 98387638 is about 461.6507139258.

The spelling of 98387638 in words is "ninety-eight million, three hundred eighty-seven thousand, six hundred thirty-eight".