1398844 has 24 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 651840.

The previous prime is 1398841. The next prime is 1398847. The reversal of 1398844 is 4488931.

It is an interprime number because it is at equal distance from previous prime (1398841) and next prime (1398847).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 3790.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^1398844 is an apocalyptic number.

It is an amenable number.

1398844 is a deficient number, since it is larger than the sum of its proper divisors (1221956).

1398844 is a wasteful number, since it uses less digits than its factorization.

1398844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 451 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 1398844 is about 1182.7273565789. The cubic root of 1398844 is about 111.8380951482.

The spelling of 1398844 in words is "one million, three hundred ninety-eight thousand, eight hundred forty-four".