8155480 has 32 divisors (see below), whose sum is σ = 18944640. Its totient is φ = 3156480.

The previous prime is 8155471. The next prime is 8155493. The reversal of 8155480 is 845518.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 2049 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (592020).

Almost surely, 2^8155480 is an apocalyptic number.

It is an amenable number.

8155480 is an abundant number, since it is smaller than the sum of its proper divisors (10789160).

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

8155480 is a wasteful number, since it uses less digits than its factorization.

8155480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 8155480 is about 2855.7801035794. The cubic root of 8155480 is about 201.2873623776.

The spelling of 8155480 in words is "eight million, one hundred fifty-five thousand, four hundred eighty".