987201948 has 24 divisors (see below), whose sum is σ = 2315411728. Its totient is φ = 327361536.

The previous prime is 987201877. The next prime is 987201961. The reversal of 987201948 is 849102789.

It is a super-2 number, since 2×987201948² = 1949135372269989408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 987201897 and 987201906.

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, 210811 + ... + 215442.

Almost surely, 2^987201948 is an apocalyptic number.

It is an amenable number.

987201948 is an abundant number, since it is smaller than the sum of its proper divisors (1328209780).

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

987201948 is a wasteful number, since it uses less digits than its factorization.

987201948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426453 (or 426451 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 987201948 is about 31419.7700182544. The cubic root of 987201948 is about 995.7156532536.

The spelling of 987201948 in words is "nine hundred eighty-seven million, two hundred one thousand, nine hundred forty-eight".