987623922 has 16 divisors (see below), whose sum is σ = 1997442720. Its totient is φ = 325508832.

The previous prime is 987623899. The next prime is 987623927. The reversal of 987623922 is 229326789.

It is a super-2 number, since 2×987623922² = 1950802022613324168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (987623927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924208 + ... + 925275.

It is an arithmetic number, because the mean of its divisors is an integer number (124840170).

Almost surely, 2^987623922 is an apocalyptic number.

987623922 is an abundant number, since it is smaller than the sum of its proper divisors (1009818798).

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

987623922 is a wasteful number, since it uses less digits than its factorization.

987623922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849577.

The product of its digits is 653184, while the sum is 48.

The square root of 987623922 is about 31426.4844040819. The cubic root of 987623922 is about 995.8575040898.

The spelling of 987623922 in words is "nine hundred eighty-seven million, six hundred twenty-three thousand, nine hundred twenty-two".