987964934 has 8 divisors (see below), whose sum is σ = 1616669928. Its totient is φ = 449074960.

The previous prime is 987964933. The next prime is 987964963. The reversal of 987964934 is 439469789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987964933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22453727 + ... + 22453770.

It is an arithmetic number, because the mean of its divisors is an integer number (202083741).

Almost surely, 2^987964934 is an apocalyptic number.

987964934 is a deficient number, since it is larger than the sum of its proper divisors (628704994).

987964934 is a wasteful number, since it uses less digits than its factorization.

987964934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44907510.

The product of its digits is 11757312, while the sum is 59.

The square root of 987964934 is about 31431.9094870165. The cubic root of 987964934 is about 995.9721092118.

The spelling of 987964934 in words is "nine hundred eighty-seven million, nine hundred sixty-four thousand, nine hundred thirty-four".