1954198 has 8 divisors (see below), whose sum is σ = 2981160. Its totient is φ = 960480.

The previous prime is 1954193. The next prime is 1954217. The reversal of 1954198 is 8914591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8163 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (372645).

2^1954198 is an apocalyptic number.

1954198 is a deficient number, since it is larger than the sum of its proper divisors (1026962).

1954198 is a wasteful number, since it uses less digits than its factorization.

1954198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622.

The product of its digits is 12960, while the sum is 37.

The square root of 1954198 is about 1397.9263213775. The cubic root of 1954198 is about 125.0228864761.

The spelling of 1954198 in words is "one million, nine hundred fifty-four thousand, one hundred ninety-eight".