89642480 has 40 divisors (see below), whose sum is σ = 215611200. Its totient is φ = 34619648.

The previous prime is 89642473. The next prime is 89642503. The reversal of 89642480 is 8424698.

89642480 = T₃₇₅ + T₃₇₆ + ... + T₈₃₈.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 4.

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, 17000 + ... + 21639.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^89642480 is an apocalyptic number.

89642480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89642480 is an abundant number, since it is smaller than the sum of its proper divisors (125968720).

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

89642480 is a wasteful number, since it uses less digits than its factorization.

89642480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38681 (or 38675 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 89642480 is about 9467.9712716083. The cubic root of 89642480 is about 447.5462827821.

The spelling of 89642480 in words is "eighty-nine million, six hundred forty-two thousand, four hundred eighty".