1399298 has 4 divisors (see below), whose sum is σ = 2098950. Its totient is φ = 699648.

The previous prime is 1399283. The next prime is 1399301. The reversal of 1399298 is 8929931.

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., 1054729 + 344569 = 1027^2 + 587^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349823 + ... + 349826.

2^1399298 is an apocalyptic number.

1399298 is a deficient number, since it is larger than the sum of its proper divisors (699652).

1399298 is an equidigital number, since it uses as much as digits as its factorization.

1399298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699651.

The product of its digits is 34992, while the sum is 41.

The square root of 1399298 is about 1182.9192702801. The cubic root of 1399298 is about 111.8501929954.

The spelling of 1399298 in words is "one million, three hundred ninety-nine thousand, two hundred ninety-eight".