1954398 has 16 divisors (see below), whose sum is σ = 3926016. Its totient is φ = 648600.

The previous prime is 1954391. The next prime is 1954411. The reversal of 1954398 is 8934591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (245376).

2^1954398 is an apocalyptic number.

1954398 is an abundant number, since it is smaller than the sum of its proper divisors (1971618).

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

1954398 is a wasteful number, since it uses less digits than its factorization.

1954398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its digits is 38880, while the sum is 39.

The square root of 1954398 is about 1397.9978540756. The cubic root of 1954398 is about 125.0271514353.

The spelling of 1954398 in words is "one million, nine hundred fifty-four thousand, three hundred ninety-eight".