1410640 has 80 divisors (see below), whose sum is σ = 4106880. Its totient is φ = 437760.

The previous prime is 1410623. The next prime is 1410653. The reversal of 1410640 is 460141.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 6046 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (51336).

2^1410640 is an apocalyptic number.

1410640 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 1410640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053440).

1410640 is an abundant number, since it is smaller than the sum of its proper divisors (2696240).

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

1410640 is a wasteful number, since it uses less digits than its factorization.

1410640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1410640 is about 1187.7036667452. The cubic root of 1410640 is about 112.1515804732.

Adding to 1410640 its reverse (460141), we get a palindrome (1870781).

The spelling of 1410640 in words is "one million, four hundred ten thousand, six hundred forty".