196584540 has 24 divisors (see below), whose sum is σ = 550436880. Its totient is φ = 52422528.

The previous prime is 196584529. The next prime is 196584559. The reversal of 196584540 is 45485691.

It is a junction number, because it is equal to n+sod(n) for n = 196584492 and 196584501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638145 + ... + 1638264.

It is an arithmetic number, because the mean of its divisors is an integer number (22934870).

Almost surely, 2^196584540 is an apocalyptic number.

196584540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196584540 is an abundant number, since it is smaller than the sum of its proper divisors (353852340).

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

196584540 is a wasteful number, since it uses less digits than its factorization.

196584540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276421 (or 3276419 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 196584540 is about 14020.8608865504. The cubic root of 196584540 is about 581.4554607215.

The spelling of 196584540 in words is "one hundred ninety-six million, five hundred eighty-four thousand, five hundred forty".