8376240 has 80 divisors (see below), whose sum is σ = 27507168. Its totient is φ = 2101248.

The previous prime is 8376217. The next prime is 8376253. The reversal of 8376240 is 426738.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8376240² = 140322793075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8376198 and 8376207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054 + ... + 5106.

Almost surely, 2^8376240 is an apocalyptic number.

8376240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8376240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13753584).

8376240 is an abundant number, since it is smaller than the sum of its proper divisors (19130928).

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

8376240 is a wasteful number, since it uses less digits than its factorization.

8376240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 8376240 is about 2894.1734571376. The cubic root of 8376240 is about 203.0874270543.

The spelling of 8376240 in words is "eight million, three hundred seventy-six thousand, two hundred forty".