1398702 has 8 divisors (see below), whose sum is σ = 2797416. Its totient is φ = 466232.

The previous prime is 1398701. The next prime is 1398707. The reversal of 1398702 is 2078931.

It is a happy number.

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

1398702 is an admirable number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1398702.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116553 + ... + 116564.

It is an arithmetic number, because the mean of its divisors is an integer number (349677).

2^1398702 is an apocalyptic number.

1398702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1398702 is a wasteful number, since it uses less digits than its factorization.

1398702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233122.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1398702 is about 1182.6673243140. The cubic root of 1398702 is about 111.8343107026.

The spelling of 1398702 in words is "one million, three hundred ninety-eight thousand, seven hundred two".