1398046 has 16 divisors (see below), whose sum is σ = 2391984. Its totient is φ = 607104.

The previous prime is 1398043. The next prime is 1398049. The reversal of 1398046 is 6408931.

It is an interprime number because it is at equal distance from previous prime (1398043) and next prime (1398049).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1397999 and 1398017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (149499).

2^1398046 is an apocalyptic number.

1398046 is a deficient number, since it is larger than the sum of its proper divisors (993938).

1398046 is a wasteful number, since it uses less digits than its factorization.

1398046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1398046 is about 1182.3899525960. The cubic root of 1398046 is about 111.8168243045.

The spelling of 1398046 in words is "one million, three hundred ninety-eight thousand, forty-six".