7897480 has 32 divisors (see below), whose sum is σ = 17884800. Its totient is φ = 3138496.

The previous prime is 7897471. The next prime is 7897481. The reversal of 7897480 is 847987.

It is not an unprimeable number, because it can be changed into a prime (7897481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6609 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (558900).

Almost surely, 2^7897480 is an apocalyptic number.

It is an amenable number.

7897480 is an abundant number, since it is smaller than the sum of its proper divisors (9987320).

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

7897480 is a wasteful number, since it uses less digits than its factorization.

7897480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7897480 is about 2810.2455408736. The cubic root of 7897480 is about 199.1419910335.

The spelling of 7897480 in words is "seven million, eight hundred ninety-seven thousand, four hundred eighty".