1340098 has 4 divisors (see below), whose sum is σ = 2010150. Its totient is φ = 670048.

The previous prime is 1340083. The next prime is 1340107. The reversal of 1340098 is 8900431.

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

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 305809 = 1017^2 + 553^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335023 + ... + 335026.

2^1340098 is an apocalyptic number.

1340098 is a deficient number, since it is larger than the sum of its proper divisors (670052).

1340098 is an equidigital number, since it uses as much as digits as its factorization.

1340098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670051.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1340098 is about 1157.6260190580. The cubic root of 1340098 is about 110.2500647021.

The spelling of 1340098 in words is "one million, three hundred forty thousand, ninety-eight".