987533490 has 16 divisors (see below), whose sum is σ = 2370080448. Its totient is φ = 263342256.

The previous prime is 987533483. The next prime is 987533501. The reversal of 987533490 is 94335789.

987533490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16458862 + ... + 16458921.

It is an arithmetic number, because the mean of its divisors is an integer number (148130028).

Almost surely, 2^987533490 is an apocalyptic number.

987533490 is an abundant number, since it is smaller than the sum of its proper divisors (1382546958).

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

987533490 is a wasteful number, since it uses less digits than its factorization.

987533490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32917793.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 987533490 is about 31425.0455846925. The cubic root of 987533490 is about 995.8271078587.

It can be divided in two parts, 9875 and 33490, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 987533490 in words is "nine hundred eighty-seven million, five hundred thirty-three thousand, four hundred ninety".