8519940 has 144 divisors (see below), whose sum is σ = 30453696. Its totient is φ = 1900800.

The previous prime is 8519933. The next prime is 8519957. The reversal of 8519940 is 499158.

8519940 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8519895 and 8519904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25575 + ... + 25905.

It is an arithmetic number, because the mean of its divisors is an integer number (211484).

Almost surely, 2^8519940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8519940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15226848).

8519940 is an abundant number, since it is smaller than the sum of its proper divisors (21933756).

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

8519940 is a wasteful number, since it uses less digits than its factorization.

8519940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 8519940 is about 2918.8936260165. The cubic root of 8519940 is about 204.2422151805.

The spelling of 8519940 in words is "eight million, five hundred nineteen thousand, nine hundred forty".