1398694 has 8 divisors (see below), whose sum is σ = 2288808. Its totient is φ = 635760.

The previous prime is 1398667. The next prime is 1398701. The reversal of 1398694 is 4968931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31767 + ... + 31810.

It is an arithmetic number, because the mean of its divisors is an integer number (286101).

2^1398694 is an apocalyptic number.

1398694 is a deficient number, since it is larger than the sum of its proper divisors (890114).

1398694 is a wasteful number, since it uses less digits than its factorization.

1398694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63590.

The product of its digits is 46656, while the sum is 40.

The square root of 1398694 is about 1182.6639421239. The cubic root of 1398694 is about 111.8340974868.

The spelling of 1398694 in words is "one million, three hundred ninety-eight thousand, six hundred ninety-four".