987408846 has 16 divisors (see below), whose sum is σ = 2194242000. Its totient is φ = 329136264.

The previous prime is 987408839. The next prime is 987408859. The reversal of 987408846 is 648804789.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 18285349 = 987408846 / (9 + 8 + 7 + 4 + 0 + 8 + 8 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 987408792 and 987408801.

It is a congruent 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, 9142621 + ... + 9142728.

It is an arithmetic number, because the mean of its divisors is an integer number (137140125).

Almost surely, 2^987408846 is an apocalyptic number.

987408846 is an abundant number, since it is smaller than the sum of its proper divisors (1206833154).

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

987408846 is a wasteful number, since it uses less digits than its factorization.

987408846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285360 (or 18285354 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 987408846 is about 31423.0623268961. The cubic root of 987408846 is about 995.7852091627.

The spelling of 987408846 in words is "nine hundred eighty-seven million, four hundred eight thousand, eight hundred forty-six".