801240 has 64 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 193920.

The previous prime is 801217. The next prime is 801247. The reversal of 801240 is 42108.

801240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁸⁰¹²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313280).

801240 is an abundant number, since it is smaller than the sum of its proper divisors (1825320).

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

801240 is a wasteful number, since it uses less digits than its factorization.

801240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 801240 is about 895.1201036732. The cubic root of 801240 is about 92.8797149973.

Adding to 801240 its reverse (42108), we get a palindrome (843348).

The spelling of 801240 in words is "eight hundred one thousand, two hundred forty".