1967898 has 8 divisors (see below), whose sum is σ = 3935808. Its totient is φ = 655964.

The previous prime is 1967897. The next prime is 1967909. The reversal of 1967898 is 8987691.

It is a happy number.

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

1967898 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1967891) 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, 163986 + ... + 163997.

It is an arithmetic number, because the mean of its divisors is an integer number (491976).

2^1967898 is an apocalyptic number.

1967898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1967898 is a wasteful number, since it uses less digits than its factorization.

1967898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327988.

The product of its digits is 217728, while the sum is 48.

The square root of 1967898 is about 1402.8178784147. The cubic root of 1967898 is about 125.3143660624.

The spelling of 1967898 in words is "one million, nine hundred sixty-seven thousand, eight hundred ninety-eight".