1413840 has 80 divisors (see below), whose sum is σ = 4517568. Its totient is φ = 365568.

The previous prime is 1413829. The next prime is 1413851. The reversal of 1413840 is 483141.

It is an interprime number because it is at equal distance from previous prime (1413829) and next prime (1413851).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1413840³ = 8478559027533312000, which contains 333 as substring.

It is a congruent number.

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, 10252 + ... + 10388.

2^1413840 is an apocalyptic number.

1413840 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 1413840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258784).

1413840 is an abundant number, since it is smaller than the sum of its proper divisors (3103728).

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

1413840 is a wasteful number, since it uses less digits than its factorization.

1413840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1413840 is about 1189.0500409991. The cubic root of 1413840 is about 112.2363207389.

Adding to 1413840 its reverse (483141), we get a palindrome (1896981).

The spelling of 1413840 in words is "one million, four hundred thirteen thousand, eight hundred forty".