1398460 has 36 divisors (see below), whose sum is σ = 3418632. Its totient is φ = 479136.

The previous prime is 1398451. The next prime is 1398473. The reversal of 1398460 is 648931.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (94962).

2^1398460 is an apocalyptic number.

1398460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709316).

1398460 is an abundant number, since it is smaller than the sum of its proper divisors (2020172).

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

1398460 is a wasteful number, since it uses less digits than its factorization.

1398460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1441 counting only the distinct ones).

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

The square root of 1398460 is about 1182.5650087839. The cubic root of 1398460 is about 111.8278605642.

The spelling of 1398460 in words is "one million, three hundred ninety-eight thousand, four hundred sixty".