8380456 has 32 divisors (see below), whose sum is σ = 19016640. Its totient is φ = 3379968.

The previous prime is 8380453. The next prime is 8380459. The reversal of 8380456 is 6540838.

It is an interprime number because it is at equal distance from previous prime (8380453) and next prime (8380459).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (8380451) 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, 3450 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (594270).

Almost surely, 2^8380456 is an apocalyptic number.

It is an amenable number.

8380456 is an abundant number, since it is smaller than the sum of its proper divisors (10636184).

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

8380456 is a wasteful number, since it uses less digits than its factorization.

8380456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833 (or 8829 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 8380456 is about 2894.9017254477. The cubic root of 8380456 is about 203.1214945667.

It can be divided in two parts, 8380 and 456, that added together give a square (8836 = 94²).

The spelling of 8380456 in words is "eight million, three hundred eighty thousand, four hundred fifty-six".