1398202 has 8 divisors (see below), whose sum is σ = 2258676. Its totient is φ = 645312.

The previous prime is 1398197. The next prime is 1398209. The reversal of 1398202 is 2028931.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 335241 = 1031^2 + 579^2 .

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

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1398209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26863 + ... + 26914.

2^1398202 is an apocalyptic number.

1398202 is a deficient number, since it is larger than the sum of its proper divisors (860474).

1398202 is a wasteful number, since it uses less digits than its factorization.

1398202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53792.

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

The square root of 1398202 is about 1182.4559188401. The cubic root of 1398202 is about 111.8209831509.

It can be divided in two parts, 1398 and 202, that added together give a square (1600 = 40²).

The spelling of 1398202 in words is "one million, three hundred ninety-eight thousand, two hundred two".