988711240 has 64 divisors (see below), whose sum is σ = 2430155520. Its totient is φ = 359040000.

The previous prime is 988711201. The next prime is 988711261. The reversal of 988711240 is 42117889.

It is a happy number.

988711240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×988711240² = 1955099832204675200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 988711193 and 988711202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527505 + ... + 529375.

It is an arithmetic number, because the mean of its divisors is an integer number (37971180).

Almost surely, 2^988711240 is an apocalyptic number.

It is an amenable number.

988711240 is an abundant number, since it is smaller than the sum of its proper divisors (1441444280).

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

988711240 is a wasteful number, since it uses less digits than its factorization.

988711240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 988711240 is about 31443.7790349697. The cubic root of 988711240 is about 996.2228309570. Note that the first 3 decimals are identical.

The spelling of 988711240 in words is "nine hundred eighty-eight million, seven hundred eleven thousand, two hundred forty".