8465140 has 12 divisors (see below), whose sum is σ = 17776836. Its totient is φ = 3386048.

The previous prime is 8465131. The next prime is 8465183. The reversal of 8465140 is 415648.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 7160976 = 1142^2 + 2676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8465099 and 8465108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211609 + ... + 211648.

It is an arithmetic number, because the mean of its divisors is an integer number (1481403).

Almost surely, 2^8465140 is an apocalyptic number.

It is an amenable number.

8465140 is an abundant number, since it is smaller than the sum of its proper divisors (9311696).

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

8465140 is a wasteful number, since it uses less digits than its factorization.

8465140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423266 (or 423264 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8465140 is about 2909.4913644828. The cubic root of 8465140 is about 203.8033796934.

The spelling of 8465140 in words is "eight million, four hundred sixty-five thousand, one hundred forty".