1398703 has 4 divisors (see below), whose sum is σ = 1407448. Its totient is φ = 1389960.

The previous prime is 1398701. The next prime is 1398707. The reversal of 1398703 is 3078931.

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

It is a cyclic number.

It is not a de Polignac number, because 1398703 - 2¹ = 1398701 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398701) 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, 4128 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (351862).

2^1398703 is an apocalyptic number.

1398703 is a deficient number, since it is larger than the sum of its proper divisors (8745).

1398703 is an equidigital number, since it uses as much as digits as its factorization.

1398703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1398703 is about 1182.6677470871. The cubic root of 1398703 is about 111.8343373545.

The spelling of 1398703 in words is "one million, three hundred ninety-eight thousand, seven hundred three".