1463840 has 48 divisors (see below), whose sum is σ = 3955392. Its totient is φ = 501504.

The previous prime is 1463837. The next prime is 1463857. The reversal of 1463840 is 483641.

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, 467 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (82404).

2^1463840 is an apocalyptic number.

1463840 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 1463840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977696).

1463840 is an abundant number, since it is smaller than the sum of its proper divisors (2491552).

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

1463840 is a wasteful number, since it uses less digits than its factorization.

1463840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1463840 is about 1209.8925572132. The cubic root of 1463840 is about 113.5440907188.

The spelling of 1463840 in words is "one million, four hundred sixty-three thousand, eight hundred forty".