1398602 has 8 divisors (see below), whose sum is σ = 2103300. Its totient is φ = 697504.

The previous prime is 1398599. The next prime is 1398611. The reversal of 1398602 is 2068931.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 32041 = 1169^2 + 179^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 1752.

2^1398602 is an apocalyptic number.

1398602 is a deficient number, since it is larger than the sum of its proper divisors (704698).

1398602 is a wasteful number, since it uses less digits than its factorization.

1398602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1398602 is about 1182.6250462425. The cubic root of 1398602 is about 111.8316454464.

The spelling of 1398602 in words is "one million, three hundred ninety-eight thousand, six hundred two".