987280146 has 24 divisors (see below), whose sum is σ = 2150313984. Its totient is φ = 327369240.

The previous prime is 987280121. The next prime is 987280159. The reversal of 987280146 is 641082789.

987280146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140146 + ... + 147021.

It is an arithmetic number, because the mean of its divisors is an integer number (89596416).

Almost surely, 2^987280146 is an apocalyptic number.

987280146 is an abundant number, since it is smaller than the sum of its proper divisors (1163033838).

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

987280146 is a wasteful number, since it uses less digits than its factorization.

987280146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287366 (or 287363 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 987280146 is about 31421.0144011934. The cubic root of 987280146 is about 995.7419433546.

The spelling of 987280146 in words is "nine hundred eighty-seven million, two hundred eighty thousand, one hundred forty-six".