3198540 has 24 divisors (see below), whose sum is σ = 8956080. Its totient is φ = 852928.

The previous prime is 3198523. The next prime is 3198553. The reversal of 3198540 is 458913.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 = 3198498 and 3198507.

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, 26595 + ... + 26714.

It is an arithmetic number, because the mean of its divisors is an integer number (373170).

Almost surely, 2^3198540 is an apocalyptic number.

3198540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3198540 is an abundant number, since it is smaller than the sum of its proper divisors (5757540).

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

3198540 is a wasteful number, since it uses less digits than its factorization.

3198540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53321 (or 53319 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3198540 is about 1788.4462530364. The cubic root of 3198540 is about 147.3388453448.

The spelling of 3198540 in words is "three million, one hundred ninety-eight thousand, five hundred forty".