1345898 has 4 divisors (see below), whose sum is σ = 2018850. Its totient is φ = 672948.

The previous prime is 1345889. The next prime is 1345913. The reversal of 1345898 is 8985431.

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., 1006009 + 339889 = 1003^2 + 583^2 .

It is a super-2 number, since 2×1345898² = 3622882852808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336473 + ... + 336476.

2^1345898 is an apocalyptic number.

1345898 is a deficient number, since it is larger than the sum of its proper divisors (672952).

1345898 is an equidigital number, since it uses as much as digits as its factorization.

1345898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672951.

The product of its digits is 34560, while the sum is 38.

The square root of 1345898 is about 1160.1284411650. The cubic root of 1345898 is about 110.4088914109.

The spelling of 1345898 in words is "one million, three hundred forty-five thousand, eight hundred ninety-eight".