1947198 has 32 divisors (see below), whose sum is σ = 4298112. Its totient is φ = 583200.

The previous prime is 1947193. The next prime is 1947217. The reversal of 1947198 is 8917491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10668 + ... + 10848.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2^1947198 is an apocalyptic number.

1947198 is an abundant number, since it is smaller than the sum of its proper divisors (2350914).

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

1947198 is a wasteful number, since it uses less digits than its factorization.

1947198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 18144, while the sum is 39.

The square root of 1947198 is about 1395.4203667712. The cubic root of 1947198 is about 124.8734292153.

It can be divided in two parts, 1947 and 198, that added together give a triangular number (2145 = T₆₅).

The spelling of 1947198 in words is "one million, nine hundred forty-seven thousand, one hundred ninety-eight".