8380440 has 48 divisors (see below), whose sum is σ = 27237600. Its totient is φ = 2234688.

The previous prime is 8380417. The next prime is 8380451. The reversal of 8380440 is 440838.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11280 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (567450).

Almost surely, 2^8380440 is an apocalyptic number.

It is an amenable number.

8380440 is an abundant number, since it is smaller than the sum of its proper divisors (18857160).

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

8380440 is a wasteful number, since it uses less digits than its factorization.

8380440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23296 (or 23289 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8380440 is about 2894.8989619674. The cubic root of 8380440 is about 203.1213652999.

The spelling of 8380440 in words is "eight million, three hundred eighty thousand, four hundred forty".