987444738 has 48 divisors (see below), whose sum is σ = 2504750976. Its totient is φ = 275244480.

The previous prime is 987444707. The next prime is 987444769. The reversal of 987444738 is 837444789.

987444738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (987444707) and next prime (987444769).

It is a super-2 number, since 2×987444738² = 1950094221207777288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90406 + ... + 100737.

It is an arithmetic number, because the mean of its divisors is an integer number (52182312).

Almost surely, 2^987444738 is an apocalyptic number.

987444738 is an abundant number, since it is smaller than the sum of its proper divisors (1517306238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987444738 is a wasteful number, since it uses less digits than its factorization.

987444738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191199 (or 191196 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 987444738 is about 31423.6334309067. The cubic root of 987444738 is about 995.7972745092.

The spelling of 987444738 in words is "nine hundred eighty-seven million, four hundred forty-four thousand, seven hundred thirty-eight".