8978480 has 40 divisors (see below), whose sum is σ = 23858592. Its totient is φ = 3078144.

The previous prime is 8978479. The next prime is 8978491. The reversal of 8978480 is 848798.

It is a happy number.

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

It is a super-2 number, since 2×8978480² = 161226206220800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 8576.

Almost surely, 2^8978480 is an apocalyptic number.

8978480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8978480 is an abundant number, since it is smaller than the sum of its proper divisors (14880112).

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

8978480 is a wasteful number, since it uses less digits than its factorization.

8978480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16053 (or 16047 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 8978480 is about 2996.4111867366. The cubic root of 8978480 is about 207.8424596036.

The spelling of 8978480 in words is "eight million, nine hundred seventy-eight thousand, four hundred eighty".