988288444 has 24 divisors (see below), whose sum is σ = 2031866928. Its totient is φ = 414666240.

The previous prime is 988288429. The next prime is 988288493. The reversal of 988288444 is 444882889.

It is a super-2 number, since 2×988288444² = 1953428097087882272, which contains 22 as substring.

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, 863317 + ... + 864460.

It is an arithmetic number, because the mean of its divisors is an integer number (84661122).

Almost surely, 2^988288444 is an apocalyptic number.

It is an amenable number.

988288444 is an abundant number, since it is smaller than the sum of its proper divisors (1043578484).

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

988288444 is a wasteful number, since it uses less digits than its factorization.

988288444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727805 (or 1727803 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 55.

The square root of 988288444 is about 31437.0552692201. The cubic root of 988288444 is about 996.0808080004.

The spelling of 988288444 in words is "nine hundred eighty-eight million, two hundred eighty-eight thousand, four hundred forty-four".