1340198 has 4 divisors (see below), whose sum is σ = 2010300. Its totient is φ = 670098.

The previous prime is 1340179. The next prime is 1340221. The reversal of 1340198 is 8910431.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1340198² = 3592261358408, which contains 22 as substring.

1340198 is a modest number, since divided by 198 gives 134 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335048 + ... + 335051.

It is an arithmetic number, because the mean of its divisors is an integer number (502575).

2^1340198 is an apocalyptic number.

1340198 is a deficient number, since it is larger than the sum of its proper divisors (670102).

1340198 is an equidigital number, since it uses as much as digits as its factorization.

1340198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670101.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1340198 is about 1157.6692100941. The cubic root of 1340198 is about 110.2528069722.

The spelling of 1340198 in words is "one million, three hundred forty thousand, one hundred ninety-eight".