1398924 has 24 divisors (see below), whose sum is σ = 3627120.
Its totient is φ = 466272.
The previous prime is 1398911. The next prime is 1398967. The reversal of 1398924 is 4298931.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a plaindrome in base 16.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6369 + ... + 6584.
It is an arithmetic number, because the mean of its divisors is an integer number (151130).
21398924 is an apocalyptic number.
It is an amenable number.
1398924 is an abundant number, since it is smaller than the sum of its proper divisors (2228196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1398924 is a wasteful number, since it uses less digits than its factorization.
1398924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12966 (or 12958 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 1398924 is about 1182.7611762313.
The cubic root of 1398924 is about 111.8402271174.
The spelling of 1398924 in words is "one million, three hundred ninety-eight thousand, nine hundred twenty-four".