988579420 has 48 divisors (see below), whose sum is σ = 2130051168. Its totient is φ = 385263360.

The previous prime is 988579387. The next prime is 988579421. The reversal of 988579420 is 24975889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988579421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126754 + ... + 134326.

It is an arithmetic number, because the mean of its divisors is an integer number (44376066).

Almost surely, 2^988579420 is an apocalyptic number.

It is an amenable number.

988579420 is an abundant number, since it is smaller than the sum of its proper divisors (1141471748).

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

988579420 is a wasteful number, since it uses less digits than its factorization.

988579420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 988579420 is about 31441.6828430032. The cubic root of 988579420 is about 996.1785551614.

The spelling of 988579420 in words is "nine hundred eighty-eight million, five hundred seventy-nine thousand, four hundred twenty".