987398562 has 32 divisors (see below), whose sum is σ = 2005361280. Its totient is φ = 324051840.

The previous prime is 987398543. The next prime is 987398567. The reversal of 987398562 is 265893789.

It is not an unprimeable number, because it can be changed into a prime (987398567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479928 + ... + 481980.

It is an arithmetic number, because the mean of its divisors is an integer number (62667540).

Almost surely, 2^987398562 is an apocalyptic number.

987398562 is an abundant number, since it is smaller than the sum of its proper divisors (1017962718).

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

987398562 is a wasteful number, since it uses less digits than its factorization.

987398562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258.

The product of its digits is 6531840, while the sum is 57.

The square root of 987398562 is about 31422.8986886952. The cubic root of 987398562 is about 995.7817520704.

The spelling of 987398562 in words is "nine hundred eighty-seven million, three hundred ninety-eight thousand, five hundred sixty-two".