1463340 has 48 divisors (see below), whose sum is σ = 4243680. Its totient is φ = 376768.

The previous prime is 1463339. The next prime is 1463353. The reversal of 1463340 is 433641.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 145 × 87 × 116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50446 + ... + 50474.

It is an arithmetic number, because the mean of its divisors is an integer number (88410).

2^1463340 is an apocalyptic number.

1463340 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 1463340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2121840).

1463340 is an abundant number, since it is smaller than the sum of its proper divisors (2780340).

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

1463340 is an equidigital number, since it uses as much as digits as its factorization.

1463340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1463340 is about 1209.6859096476. The cubic root of 1463340 is about 113.5311615939.

Adding to 1463340 its reverse (433641), we get a palindrome (1896981).

It can be divided in two parts, 146 and 3340, that added together give a triangular number (3486 = T₈₃).

The spelling of 1463340 in words is "one million, four hundred sixty-three thousand, three hundred forty".