1398480 has 40 divisors (see below), whose sum is σ = 4336032. Its totient is φ = 372864.

The previous prime is 1398473. The next prime is 1398493. The reversal of 1398480 is 848931.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 2674 + ... + 3153.

2^1398480 is an apocalyptic number.

1398480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398480 is an abundant number, since it is smaller than the sum of its proper divisors (2937552).

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

1398480 is a wasteful number, since it uses less digits than its factorization.

1398480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1398480 is about 1182.5734649484. The cubic root of 1398480 is about 111.8283936617.

The spelling of 1398480 in words is "one million, three hundred ninety-eight thousand, four hundred eighty".